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

A. snows

B. has been snowing

C. snowed

D. snow

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: We always...................... a present to Elsa on her birthday.

A. are taking

B. taking

C. take

D. are taken

Câu 3: I ................. the house before you called.

A. leave

B. am leaving

C. had left

D. had been leaving

Câu 4: The store ..................... two sales so far this year.

A. is having

B. has been having

C. has

D. has had

Câu 5: I .............. Michael for years.

A. have known

B. know

C. knowing

D. was known

Câu 6: The telephone .............. ten times before Patsy finally answered it.

A. rings

B. ringing

C. had rung

D. is ringing