Choose the best answer: 
Take off your hat when you go to the pagoda.

Among the world’s 44 richest countries, there has been not war since 1945.

- Lisa: “Have you been able to reach Peter?” - Gina: “____________.”

Some of plants in this store require very little care, but this one needs much more sunlight than those.

Running along the 180th meridian, the International Date Line is separated one day from another.

When eggs of some species of insects hatch, the newly born insects look almost like its adult counterparts.

The cars in garage were badly in need of to be repaired

What we need most _    computers.

Cho dạng đúng của động từ trong ngoặc để hoàn thành các câu sau:

Unless she (study) _____________ hard, she won’t pass the exam.

The world oceans have risen on average of 6 inches over the past 100 years, which has been considered as an evidence that global warming has an effect.

The Medal of Honor is the higher award for military bravery that can be given to any soldier of the United States.

There are many ways to preserve fruit, for example freezing, canning and to dry.

Several million points on the human body registers either cold, heat, pain, or touch

Bats use echoes of their own high – frequency sounds to detect food and avoiding obstacles.

 His idea contributes a lot ________ our project.

It was her who suggested that he should go to New York in order to get a direct flight.

It spent a long time to travel to the skiing resort but in the end, we got there.

Even the smallest pulley can be done stronger by adding wheels to its system to create more leverage

I dropped out of college after one term and went on traveling around the world instead.

Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions.

Of the cities we surveyed, Singapore was ___________ the worst rated by its residents for culture.

Choose the best answer: 
It is predicted that 10 million self-driving cars will be on the road ............2020.