Câu hỏi: I don’t know whether to accept the joboffer. It’s .................

A. a difficult decision

B. the difficult decision

C. difficult decision

Câu 1: She................ well at school but that changed when she became friends with a different group of girls.

A. did

B. had done

C. had been doing

Câu 2: She..................some friends to her house for a party.

A. decided

B. agreed

C. invited

Câu 3: If the trend continues, the averageincome ............. by 107% by 2020.

A. will increase

B. will have increased

C. will be increasing

Câu 4: She ................ well at school but thatchanged when she became friends witha different group of girls.

A. did

B. had done

C. had been doing

Câu 5: Her mother made a big chocolate........... with ‘Happy Birthday’ on the top. 

A. meal

B. cake

C. dish

Câu 6: The teacher ............... us how to do theexperiment when the fire bell rang.

A. showed 

B. shown

C. was showing