Ⅰ.单句语法填空
1．If you don't understand everything the tape says，just concentrate on the words you can understand.
2．How can you get involved(involve) in such a difficult situation?
3．Thank you for keeping me informed (inform)of everything that's happening.
4．She doesn't approve of me/my leaving school this year.
5．The manager promised that they would try to meet their customers' demands(demand)．
