Câu hỏi: My sister told me that she had met my teacher at the supermarket yesterday.

A. My sister told

B. had met

C. at the supermarket 

D. yesterday

Câu 1: The world is becoming more industrialized and the number of animal species that have become extinct have increased.

A. industrialized

B. species

C. extinct 

D. have

Câu 2: A smile can be observed, described, and reliably identify, it can also be elicited and manipulated under experimental conditions.

A. identify

B. experimental

C. can also

D. A smile

Câu 3: Neither of the men arresting as terrorists would reveal information about his group.

A. Neither

B. arresting

C. would reveal

D. his group

Câu 4: 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 5: My pen has very few ink in it, so could you give me some

A. has 

B. few ink

C. could

D. some

Câu 6: More than ten students have failed the exam, that surprised the class teacher.

A. more than

B. have failed

C. that

D. the