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

A. are taking

B. taking

C. take

D. are taken

Câu 1: Paul and Linda .............. us to their party last weekend.

A. was inviting

B. invited

C. had been inviting

D. will invite

Câu 2: Television is a prime source of home entertainment; ................, it is a cheap babysitter.

A. furthermore

B. therefore

C. accordingly

D. on the contrary

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

A. snows

B. has been snowing

C. snowed

D. snow

Câu 4: Some people are using motorbikes for transportation; ....................., others are taking publicvehicles to get to their destination.

A. hence

B. otherwise

C. therefore

D. besides

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

A. leave

B. am leaving

C. had left

D. had been leaving