Câu hỏi: I'm very tired - I ________ all morning.

A. am working

B. have been working

C. was worked

D. work

Câu 1: Do you know the name of the artist ______ painted this portrait?

A. whom

B. that

C. which

D. whose

Câu 2: _____we played well, we couldn't win the game.

A. If

B. In spite of

C. Although

D. Because

Câu 3: He is ________ a jacket.

A. having

B. holding

C. wearing

D. carrying

Câu 4: Smith went abroad last year. ________ abroad before.

A. He had been never

B. He had never been

C. He never went

D. He went never

Câu 5: _____ you practice your English, you can improve it quickly.

A. Because of

B. Unless

C. In spite of

D. If

Câu 6: Would you mind ________ the door?

A. open

B. to opening

C. to open

D. opening