Choose the best answer: 
OMongolian children start to learn _______ before they can walk.

I’ll call you back in________hour.

If people use ........... paper, we don’t need to cut down more trees.

Choose the best answer:

Lack of ...... would lead to the rapid advance of the process of extinction.

 Tell me ...................... you want and I will try to help you.

Choose the best answer:

A shop which sells books is a ..................

I______tell him what you said. I know he is an unreliable person.

Choose the best answer among the A, B, C, or D provided to finish each of the incomplete sentences below:

London is___________ of England.

 Excuse me, what is the ________ fee to enter the Independence Palace?

Find the ONE among the underlined and marked A, B, C, D in each of the following sentences that needs correcting:

A professor of economy and history at our university developed a new theory of the relationship between historical events and financial crises.

Choose the correct answer to complete the sentence: "_______ her brother had checked the prices he bought a new washing machine."

 What’s going to be ____________ TV tonight?

 The cartoon is prohibited because it contains a lot of ___________ scenes

Choose the word or phrase (A, B, C, or D) that best fits the blank space in each sentence.

My grandfather is the ______ oldest artisan in the village. Ngoc’s grandfather is the oldest.

Your blue shirt has been washed, but it still needs __________. Why do you insist __________ it today anyway?

I've got lots of _______, but only a few are really good friends

Choose the best answer:

I have an _____ to a party tonight.

The first _____ of the football match was more exciting than the second one.

Choose the best option to complete the following sentences.

Internet helps us interact _______ people all around the world.

Choose the correct answer to complete the sentence: " His face went red with  _______ when he walked into the crowded room."

 The chemistry instructor explained the experiment in such of a way that it was easily understood.