Câu hỏi: Many ads do give important information about products; ....................., some of them are merelyhumorous or foolish.

A. furthermore

B. however

C. consequently

D. at the same time

Câu 1: I ................. the house before you called.

A. leave

B. am leaving

C. had left

D. had been leaving

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: 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 5: Rita .................. class every day.

A. not to attend

B. doesn’t attend

C. not attending

D. isn’t attended

Câu 6: Before the police arrived, the robbers ..........................

A. run

B. had run

C. have run

D. have been running