Each of the following sentences has one mistake. Identify the mistake by writing the corresponding letter A, B, C, or D on your answer sheet.

I bought (A) a computer (B) which (C) screen was (D) not very good.

Read the following passage and choose the best answer for each blank.

In school boys and girls study math. Counting, adding, subtracting, multiplying, and dividing are parts of (81)______what they learn. Schools teach (82) ______because it plays (83)______ an important part in our lives. How could we do such things (84)______ figure time, make a change, build houses, or even keep score for a game without knowing (85)______ numbers? Simple (86)______with numbers, or arithmetic, is one branch of mathematics. Among the many (87)______ branches are geometry, algebra, trigonometry, and calculus. Mathematics has grown (88)______  the need for it has grown. Geometry has to (89) ______mostly with form – with (90)______ things angles, triangles, circles, and spheres. Algebra is a sort of mathematical (91)______. By using algebra we can state many mathematical ideas with just (92) ______letters and signs. If we want to say, for example, (93)_______ in any circles the (94)______ is twice the radius we can write: D = 2r. Gradually other branches of mathematics (95)______ added. Mathematics today (96) of great use to (97) ______other sciences. Mathematics, however, is much more than a tool. It is a way of thinking – of drawing conclusions (98)_______ facts. One (99)________advance in mathematics is the building of great electronic computers or calculating machines. In a few seconds, a computer can (100)________ problems that might take a man years to solve alone.

89__________

Choose the word or phrase (a, b, c or d) that best fits the blank space in each sentence.

I couldn’t sleep_____ very tired.

Choose the word or phrase (a, b, c or d) that best fits the blank space in each sentence.

She has worked as a secretary since she______from college.

Choose the best answer: 
I.............. my friends for dinner after work tomorrow.

Choose the best answer by circling the corresponding letter A, B, C, or D. 
The plants may develop differently. The plants live on that island.

Choose the best answer to complete each sentence.

Species have               to climate changes throughout history.

Choose the best option among A, B, C or D to make meaningful sentence: "The woman informed me that shop wasn’t going to ______ the next Sunday."

Choose the best answer:

Laughter is the best ____.

Choose the best answer:

On the web you can read ____ newspapers or magazines; you can watch videos, download music or buy anything.

The fable is about a race __________ a tortoise and a hare

Choose the word or phrase (a, b, c or d) that best fits the blank space in each sentence.

 This university has an international____________ as a center of excellent.

Find out the synonym of the underlined word from the options below.

Microenterprises can have a negative or positive impact on the environment.

Điền dạng đúng của những từ cho trong ngoặc.

He is a famous_____ . (Collect)

Ha Long is a beautiful holiday________in Vietnam.

Choose the best answer by circling the corresponding letter A, B, C, or D. 
He is introducing some new kinds of computers.
 

Choose the word or phrase (a, b, c or d) that best fits the blank space in each sentence.

He is very capable ________ learning and understanding things.

Now the park has proved to be a popular place_______ tourists, both local and foreign.

Choose the best answer among A, B, C, or D

Nancy talks as if she ________ everything.

Choose the underlined word or phrase (A, B, C or D) that needs correcting.

Children enjoy telling and listening (A) to ghosts stories (B), especially (C) on (D) Halloween night.

They have___________a big library in our town.