Câu hỏi: We .............. since 5:00.

A. talk

B. are talking

C. talking

D. have been talking

Câu 1: Mr. and Mrs. Wilson .............. some disputes with their neighbors.

A. having

B. have been having

C. have having

D. have been had

Câu 2: I .............. Michael for years.

A. have known

B. know

C. knowing

D. was known

Câu 3: It ............... a lot last winter.

A. snows

B. has been snowing

C. snowed

D. snow

Câu 4: We ....................... in the plane for hours when it finally, took off.

A. had been sitting

B. have sat

C. will be sitting

D. will sit

Câu 5: The Wagners ................ to Florida two years ago.

A. moved

B. had been moving

C. move

D. will move

Câu 6: Before the police arrived, the robbers ..........................

A. run

B. had run

C. have run

D. have been running