Ⅰ.单句语法填空
1．It is reported(report)that 20 people were killed in the accident.
2．Until finished(finish)，the problem was a continuous worry to me.
3．Your experience has been a most entertaining(entertain)one.
4．Don't try to cut in while others are talking.
5．This is the role that you will play in this film.
6．He made a quick adaptation(adapt)to the new environment.
7．My wife is three years senior to me.
8．His disappearance is being looked into by the police.
9．He presented her with a bunch of flowers.
10．I came across an old friend in changed circumstances.
