Identify the mistake in each sentence: 

In a famous experiment conducted at university of Chicago in 1983, rats kept from sleeping died after two and a half weeks.

Choose the letter A, B, C or D to complete the sentences: She got a swollen spot ________ a bee sting.

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

I don’t think we have very much ______; we have very different opinions.

Identify the mistake in each sentence: 

When we have guests to our house, we should be very polite to their.

Choose the correct answer: 

That exercise looks difficult. I _________ you.

Choose the correct answer: 

95% of the atmosphere on Mars is carbon dioxide, which is ________ to breathe. POISON

I forgot to thank them_____ helping me.

Choose the best answer A, B, C or D to complete the following sentences: 

Farmers collect ____________ and garden waste to make compost. (house)

Choose the correct completion:

I ................ fourteen years old next week.

Choose correct A, B, C or D to complete the sentence. We bought this new software _____ Chinese

Choose the correct answer: 

They __________ about video conferences at this time next Monday.

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

After the fire, we call the ________ to take the victims to the hospital.

Choose the best answer A, B, C or D to complete the following sentences: 

The roof of the building __________ in a storm a few days ago.

There is one mistake in each sentence. Identify the mistake

Some people grow so taller that their health may become endangered.

Choose the word (a, b, c, or d) that best fits each of the blank spaces. A: Wow, you don’t (22) _____ very good! Do you feel OK?
B: No, I think I’m getting a cold. What should I do for it?
A: You (23) ____ stay at home and go to bed. 
B: You’re probably right. I’ve got a really, bad cough, too. 
A: Try (24) _____ some hot tea with honey. It really helps. 
B: Anything (25) ____?
A: Yeah, I suggest you get a big box of (26) _____!

(24)........

Choose the correct answer A, B, C or D to complete each sentence.

________ not to make mistakes, type slowly and carefully.

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

We are now wet. You ___________ the raincoats with you.

Identify the mistake in each sentence: 

They were intended to persuade people to drink water, instead with beer or spirits.

Choose correct A, B, C or D to complete the sentence. Hai was possibly the most highly _______ doctor of this century

Choose the best answer: 

The US is the world’s largest economy, benefiting from an abundance of natural resources and high worker (PRODUCE)  _____.

Identify the mistake in each sentence: 

In 1821, after twelve years of work, he had successfully developing a written language that would enable thousands of Indians to read and write.