Câu hỏi: Henry David Thoreau was an American writer who is remembered for his faith in religious significance of the nature.

A. an

B. is

C. for

D. the nature

Câu 1: Although most species of small birds gather in groups at feeders provided by bird-watchers, the bright red cardinals usually appears alone or with its mate.

A. at

B. cardinals

C. or

D. its

Câu 2: If you take the train, it would be much more convenient.

A. if

B. the train

C. would be

D. much

Câu 3: Could you tell me how can I get to the city library, please?

A. Could

B. me

C. how can I

D. the

Câu 4: The harder he tried, the worst he danced before the large audience.

A. worst

B. the

C. before

D. tried

Câu 5: Students suppose to read all the questions carefully and find out the answers to them.

A. suppose

B. all the

C. all the questions

D. them

Câu 6: Tom said that he was trying to carry out some campaigns to protect environment and will encourage others to do so.

A. he was trying

B. some

C. campaigns

D. will