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

A. will increase

B. will have increased

C. will be increasing

Câu 1: When I arrived the lecture................ soI didn’t find it easy to follow.

A. started

B. had startedcorrect

C. had been starting

Câu 2: They ................. personal computerswhen my father was a student.

A. hadn’t

B. didn’t have

C. weren’t having

Câu 3: While we’re working on the project ourboss ................ on a beach in Greece!

A. will sit 

B. will have sat

C. will be sitting

Câu 4: Nina and her friends had a great time, singing and dancing and............. to their favourite music.

A. listening

B. hearing

C. looking

Câu 5: There aren’t ...............places left onthe course so you’d better apply soon.

A. much

B. many

C. lots of 

Câu 6: When I arrived the lecture .............. so I didn’t find it easy to follow.

A. started

B. had started

C. had been starting