Câu hỏi: Annette spent a year long to search for scholarship; ................, she did not get positive result.

A. therefore

B. moreover

C. still

D. asa result

Câu 1: Kevin can’t talk on the phone because he .............. dinner right now.

A. is eating

B. eats

C. has eaten

D. has been eating

Câu 2: The store ..................... two sales so far this year.

A. is having

B. has been having

C. has

D. has had

Câu 3: Before the police arrived, the robbers ..........................

A. run

B. had run

C. have run

D. have been running

Câu 4: I don't want to go outside today because it ....................

A. rain

B. rains

C. is raining

D. is rain

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: We .............. since 5:00.

A. talk

B. are talking

C. talking

D. have been talking