Ⅰ.单句语法填空
1．Did you leave the doors and windows firmly fastened(fasten)?
2．It was when he was about to go to bed that the telephone rang.
3．The true wealth does not consist in what we are.
4．Our literature and art ought to cater to popular taste.
5．It's time I got down to thinking(think) about that essay.
6．They postponed leaving(leave) because of the weather.
7．He preferred be treated as an ordinary worker.
8．We must be honest and faithful(faith) to the people.
9．They prohibited me from borrowing(borrow) a book.
10．The economic situation was serious, but they pulled through．
