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

A. am working

B. have been working

C. was worked

D. work

Câu 1: This year the farmers were just able to gather in the ________ before the fine weather came to an end.

A. harvest

B. plant

C. collection

D. seed

Câu 2: 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 3: _____his illness, Benny went to school because he had an important exam.

A. despite

B. because of

C. unless

D. although

Câu 4: Do you know the name of the artist ______ painted this portrait?

A. whom

B. that

C. which

D. whose

Câu 5: Betty is my friend. She is a friend of ________.

A. me

B. I

C. my

D. mine

Câu 6: Would you mind ________ the door?

A. open

B. to opening

C. to open

D. opening