1. He telephoned his mother,asking her whether she         received his letter.

10. Mr Jiang     (leave) Shenzhen more than 50 years ago. Last week he flew back,and was surprised to see that Shenzhen     (become) a modern city from a small fishing village. He said he     (spend) the rest of his life here.

9.By ten o'clock yesterday evening John     (finish) his homework.

8.He was always     (forget) to do things. And I took the blame.

7.I won the essay prize and then    (offer) a scholarship: nothing succeeds like success！

6.He stared at the book and couldn't understand what he     (read) .

5.When the police arrived, the thieves     (run) away.

4.They    (witness) the robbery that day and the court is now reques- ting their description.

3.Ma Lin,who retired from the national team in 2013，    (win) three Olympic gold medals.

2.I was out of the town at the time,so I don't know exactly how it     (happen) .