Câu hỏi: I .............. Michael for years.

A. have known

B. know

C. knowing

D. was known

Câu 1: The store ..................... two sales so far this year.

A. is having

B. has been having

C. has

D. has had

Câu 2: Babies ................ when they are hungry.

A. cry

B. are crying

C. have been crying

D. cries

Câu 3: I ............... on the bus when I dropped my wallet.

A. am getting

B. get

C. have gotten

D. was getting

Câu 4: Before the police arrived, the robbers ..........................

A. run

B. had run

C. have run

D. have been running

Câu 5: Paul and Linda .............. us to their party last weekend.

A. was inviting

B. invited

C. had been inviting

D. will invite

Câu 6: I ................. the house before you called.

A. leave

B. am leaving

C. had left

D. had been leaving