Ⅰ.单句语法填空
1．Were(be) she there, she might support the motion.
2．I was watching TV when suddenly my mother came in.
3．A smile happens in a flash, but its memory can last a lifetime.
4．The collections of the museum are classified into 6 sections.
5．The machine is exposed(expose) to the wind and rain.
6．We had to compromise with them on safety measures.
7．I turned down some invitations for short visits.
8．Would you please hand out the forms to the players?
9．He has a good disguise, but as soon as he spoke he betrayed himself(he)．
10．No sooner had they started than it began to rain.
