单句语法填空
1．He accidentally let out that he had quarreled with his wife and that he hadn't been home for a couple of weeks.
2．The price of the house is reasonable and I love its garden in particular.We can grow flowers and vegetables there.
3．They have several plans under way to achieve our aim of keeping the river clean.
4．I much appreciate hearing(hear) timely reports，telling(tell)me about the progress of our new project while I was away abroad.
5．—Why did you give the waitress a gift?
—To show my appreciation(appreciate)for her good service.
