Câu hỏi: My elder sisters, both of them were doctors, said they were too busy to pick me up.

A. elder

B. both of them

C. too busy 

D. to pick

Câu 1: If they took their language lesson seriously, they would be able to communicate with the locals now.

A. took

B. seriously

C.  would be

D. with the locals

Câu 2: It is recommended that people to take regular exercise.

A. recommended

B. people

C. to take

D. exercise

Câu 3: 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 4: Folklore consists of the beliefs, customs, traditions, and telling stories that people pass from generation to generation.

A. Folklore

B. the

C. telling stories

D. generation

Câu 5: If you take the train, it would be much more convenient.

A. if

B. the train

C. would be

D. much

Câu 6: Ancient people made a clay pottery because they needed it for their survival.

A. a clay pottery

B. because

C. it

D. their survival