1． This included digging up the road，________(lay) the track and then________(build) a strong roof over the top.
2．There is no use________(keep) silent about such a matter.
3．His________(not get) to the station on time made everyone worried last week.
4．The teacher told the students to stop________(write) and ________(listen) to him.
5．He succeeded in________(persuade) her to do the job.
6．Seeing the funny scene，I can’t help________(laugh)．
7．I regret________(tell) you that my sister regrets____________(make) you her date.You are not the kind of person she wants.
8．The book is worth________(read)a second time.
9．We are looking forward to________(hear) from Mr.Li.
10．The windows haven’t been cleaned for a long time.
They need________________(clean)．
答案 1.laying；building 2.keeping 3.not getting
4．writing；to listen 5.persuading 6.laughing 7.to tell；making 8.reading 9.hearing 10.cleaning/to be cleaned
