题目内容

Because the shop ________ , all the T-shirts are sold at half price.

A. has closed down
B. closed down
C. is closing down
D. had closed down

查看答案
更多问题

—You were out when I dropped in at your house.—Oh, I ________ for a friend from England at the airport.

A. was waiting
B. had waited
C. am waiting
D. has waited

He kept looking at her, wondering whether he ________ her somewhere.

A. saw
B. has seen
C. sees
D. had seen

The first use of atomic weapons was in 1945, and their power ________ increased enormously ever since.

A. is
B. was
C. has been
D. had been

bus的 复数是_____ .

答案查题题库