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

For a cleaner and greener community, everyone should ______ the amount of trash and take care of our environment.

Choose the best answer:

Do you take part                     the school football team?-No, I cannot play football so well.

It has been found that the length of light or dark periods influence certain activities of flowering plants

Hardly he had entered the office when he realized that he had forgotten his wallet

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.

Not one in one hundred children exposed to the disease are likely to develop symptoms of it

Electric motors range in size from the tiny mechanisms that operate sewing machine to the great engines in heavy locomotives

Today there is an unusually large amount of students in the class.

Because of it consists only of a relatively short strand of DNA protected by a shell of Protein, a virus cannot eat or reproduce by it self 

Not one (A) in one hundred children exposed to the disease are likely to develop symptoms of it.

Choose the best answer from the four options given (A, B, C, or D) to complete each sentence:

He ________ in London at the moment

My brother attends an university in the Midwest which specializes in astrology.

Choose the best answer: 
Ha Noi City now is _________ it was 10 years ago.
 

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

If you want to see historical places it is a good idea to go on a guided _________

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following question:

Lan is very tired. ________, she has to finish her assignment before going to bed.

Identify the underlined word/ phrase (A or B, C, D) that needs correcting to become an exact one: 

My sister (A) enjoys (B) read about (C) wild animals and (D) natural mysteries.

It was Vitus Bering, the Danish sea captain, who discovered Alaska on its voyage to Russia in 1741.

Hardly any of the paintings at the gallery were for sale, _____________?

 If I were offered the job, I think I ________ it.

To be good for agricultural purposes, soil must have in it he minerals plants required.

Choose the best option A, B, C or D to make meaningful sentence: " Huy’s accident prevented him _______ taking part in the running race."