How many students are there in your school–About five________.

Mrs. Brown was much disappointed to see the washing machine she had had____ went wrong again.

With a lot of difficult problems_____,the newly-elected manager is having a hard time.[ ]

I’m amazed to hear from my school teacher again．，it is ten years since we met last．

Your weren’t at home when I called you yesterdayevening. –Oh, I outside atthat time.