Choose the best answer:
While I _____ at the bus stop, three buses went by in the opposite direction.

Choose the correct answer A, B, C or D into complete the following sentences. "John fell of the ladder when he __________ the wall."

Choose the best answer:
If he improved his IT skills, he _____ a job

Choose the best answer to complete the following sentences. 

Most people were …………. that she won the championship.

Choose the best answer to complete the following sentences. 

Many people would be out of work if that factory ……. down.

Choose A, B, C or D to complete the sentence. Gold _______in California in the 19th century.

Identify the mistake in each sentence: 

He is not very sanguine about his chances of successful.

Choose the best answer to complete the following sentences. 

I regret going to bed so late last night.

An oil_____ burned in the darkness.

Choose the letter A, B, C or D to complete the sentences.

We decided ________ at home this afternoon.

Choose the best answer: 

Sa Pa is in _________________ Vietnam.

Identify the mistake in each sentence: 

A group of scientists in Germany found that beetles can accurately measure with its eyes the speed of a moving background.

Identify the mistake in each sentence: 

Eli Whitney, born in Westborough, Massachusetts in 1765, was always interested in machines, working in his father’s shop, taking apart a watch and putting them back together.

Choose A, B, C or D to complete the sentence. When we were on holiday, we used ________ to the mountain.

Identify the mistake in each sentence: 

He enrichs his knowledge by listening to the radio every night.

One day, two men (22) _____ in the woods. Suddenly, they saw a huge black bear. One man immediately (23) _____ down, took off his backpack, and took out his sneakers. He began taking off his hiking boots. The other man looked (24) _____ him and said, “Are you crazy? Do you think you can run (25) ______ than that bear?” “No,” replied the first man. “But I can run faster than (26)_____!”

(25).........

Choose the correct answer A, B, C or D into complete the following sentences. "The glitch was so __________ that the two kids felt afraid."

Identify the mistake in each sentence and correct it.

They asked me how did my brother go to work.

Choose the best answer:
They advised me _____ visiting the troubled south of the country.

Choose the correct answer. " Hien has been stressed  so she needs to _____ a break."

Choose the best answer to complete each of the following sentences.

It’s optional. We   ____  go if you don’t want.