Ⅰ.单句语法填空
1．I wish that I ____________(see) her yesterday.
2．________ occurred to me that I could have the book sent to me.
3．I can't afford ________(go) to a restaurant every day.
4．It contributes to ____________(accomplish) trip goals safely and enjoyably.
5．The progress of the society is based ________ harmony.
