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: Tenant farmers are those they either rent a farm and work it for themselves or work the farm for the owner and receive payment.

A. they

B. it

C. or

D. the owner

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

A. recommended

B. people

C. to take

D. exercise

Câu 3: Having finished his tem paper before the deadline, it was delivered to professor before the class.

A. having finished

B. before

C. it was delivered

D. before

Câu 4: If you take the train, it would be much more convenient.

A. if

B. the train

C. would be

D. much

Câu 5: Each of the members of the group were made to write a report every week.

A. were

B. members

C. to write

D. week

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