Each of the following sentences has an error. Find the errors and correct them. 

Many kinds of tigers are at danger now.

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

Nam runs ....................than any boy in his class.

Choose the best answer among A, B, C, or D to complete each sentence: 

............... he is so busy with his work, he always finds time to go to the concert every week.

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

Fish is good for the brain. If you don't eat fish, your memory__________ get worse.

I’ve known him _______I left school.

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

Mai is the girl _________mother is an architect.

Choose the answer A, B, C or D which best fits the space in each of the following sentences.

_________ saying was so important that I asked everyone to stop talking and listening.

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

John and Mary went to _________ school yesterday and then studied in ___________ library before returning home.

Choose the correct prepositions.

This house reminds me ………….the one I lived in when I was a child.

Choose the best answer: 
Since 2005, India....... the world’s largest English-speaking population.

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

Tuition at an American university runs …….... six thousand dollars a semester.

Choose the underlined part in each sentence (A, B, C, or D ) that needs correcting: 

My friend didn’t drink any beer since we came to live here.

Peter _______opened the door of the cellar, wondering what he might find.

Choose the answer A, B, C, or D which best fits the space in each of the following sentences.

Jack made me ________ him next week.

Choose the underlined part among A, B, C, or D that needs correcting.

More people are infecting with HIV this year than they were 5 years ago.   

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

Mr. Brown receives a ............. salary than anyone else in the company.

Use the correct tense or form of the verb given in each sentence.

Both competitors are ______ strong and fast. 

Choose the best answer among A, B, C, or D to complete each sentence: 

…………… Jack has a master’s degree, he works as a store clerk.

Choose the most suitable word or group words by circling the letter A, B, C, or D.

The children in my home village used to go ..................., even in winter. Now they all have shoes.

Choose the best answer among A, B, C, or D to complete each sentence: 

 ……………  these cars are cheap, they last a long time.

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

That factory is producing ................... pollution.