题目内容：

用括号内所给动词的适当形式填空。

1.The big day that I was looking forward to ____________ (come) at last.

2.My mother likes to listen to music while ____________ (drive) to work.

3.---Tony, I called you many times yesterday evening, but I couldn’t get through.

--- Sorry, but my brother ____________ (chat) on the phone all the time!

4.Much ____________ (do) to improve the air conditions in Beijing in the past few months.

5.--- Do you prefer jogging or taking a walk after supper?

--- I prefer jogging ____________ (lose) more weight.