Choose the best answer among A, B, C or D that best completes each sentence: If the doctor had arrived sooner, the boy ……

Biết đồ thị hàm số \(y = {x^3} - 2{x^2} + ax + b\) có điểm cực trị là A(1;3). Khi đó giá trị của 4a-b là

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Question 9: I never see Tony plays soccer or games; they’re not really his_______.

He might have won if he __ a bit faster.

After our country joins the EU, competition in this field will get even stronger. Unless a miracle __________, his firm must fail.

You can meet Mr. Pike, who is _______ behalf _______ the university to solve the problems of foreign students.

_______ the noise from the construction work, the children couldn't concentrate on their lessons.

I would have visited you before if there _____ quite a lot of people in your house.

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She lost her job because she was________ . She made far too many mistakes. 

Choose the best answer:
When I was a child, I loved to splash through the ______ after rain.

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A boy is talking to Hailey when she is on vacation in French, The boy: "You haven't lived here long, have you?"

Hailey: "___________ "

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Mai and Lan have a row because they have misunderstood one another.

Choose the best answer from the four options given (A, B, C, or D) to complete each sentence:

Question 22. The name of Barnard's star derives________the name of Edward Emerson Barnard, the American astronomer who discovered it.

Some methods to prevent soil erosion are plowing parallel with the slopes of hills, to plant trees on unproductive land, and rotating crops.

We'll have lunch outside in the garden,                                                             it's too cold.

There were a number of things in the carpet that appeared to have come in on the bottom of some visitors’ shoes. It is a situation that I think could easily have been avoided if a housekeeper------------- a vacuum around the room before my arrival.

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On the flip side, the world wide___________of a couple of languages that have a large number of speakers has led to the death of several less popular languages.

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My mother__________ me against staying late night after night to prepare for exams. 

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A beaver uses its strong front teeth to cut down trees and peel off its bark.

You Can’t Escape the Internet! Over the last few years, the use of the Internet has increased dramatically in French schools, offices and homes and this trend continues to grow. Who could have imagined, even in the last decade, that we would be able to (1) _______ our friends, colleagues and clients around the world simply through the (2) _______ of a mouse and a modem? There is no doubt, like any invention, that the Internet can be used for good or bad but it is here to stay and (3) _______ the way we communicate.
In the world of business, no corporation can be competitive unless it has (4) _______ to the Internet. It has become essential to advertise your product and service in this way and an increasing number of companies are using this opportunity to reach a greater number of (5)_______ consumers. Indeed, the bigger the web site, (6) _______ professional the company seems to be. 
Similarly in education, the opportunities that the Internet can (7) _______ are vast. More and more students (8) _______ on the Internet for their research; for instance, a physics undergraduate in Paris can download information from a university library in the States in minutes. From the latest research in scientific and linguistic fields to new theories in psychology and history; all this may be published on the world-wide web. 
What will be the future for the Internet in France? It has (9) _______ that 60% of homes and 50% of businesses will have access to the Internet within five years. Children, students and professionals will be able to (10) _______ and explore the world as they have never done before!
(4).........................

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It is very difficult for human beings fighting pollution.