Câu hỏi: We ....................... in the plane for hours when it finally, took off.

A. had been sitting

B. have sat

C. will be sitting

D. will sit

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

A. is having

B. has been having

C. has

D. has 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 .............. Michael for years.

A. have known

B. know

C. knowing

D. was known

Câu 4: It ............... a lot last winter.

A. snows

B. has been snowing

C. snowed

D. snow

Câu 5: I don't want to go outside today because it ....................

A. rain

B. rains

C. is raining

D. is rain

Câu 6: Kevin can’t talk on the phone because he .............. dinner right now.

A. is eating

B. eats

C. has eaten

D. has been eating