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

A. am getting

B. get

C. have gotten

D. was getting

Câu 1: Barbara .................. that package to you tomorrow morning.

A. deliver

B. is going to deliver

C. are going to deliver

D. delivering

Câu 2: Before the police arrived, the robbers ..........................

A. run

B. had run

C. have run

D. have been running

Câu 3: My parents    ........... in Florida since 1999.

A. has lived

B. have lived

C. are living

D. live

Câu 4: I ................. the house before you called.

A. leave

B. am leaving

C. had left

D. had been leaving

Câu 5: The old drainage pipelines must be maintained; ................, leakage will be unavoidable.

A. therefore

B. similarly 

C. on the contrary

D. otherwise

Câu 6: Babies ................ when they are hungry.

A. cry

B. are crying

C. have been crying

D. cries