1 . It’s high time that we________ (take) immediate measures to protect the oceans from being polluted. (所给词的适当形式填空)

2 . I think it is time that you woke up and ________(focus) your thoughts on these matters. (用所给词的适当形式填空)

3 . It’s high time that we ______________(commit) ourselves to studying English. (所给词的适当形式填空)

4 . It's time that you ________ (hand) in your papers. (所给词的适当形式填空)

5 . It is the high time that we ________ (place) great emphasis on the improvement of food safety.

6 . It’s time that we ________ (go) to the railway station. （所给词的适当形式填空）

7 . If your kids say they have to skip chores because it’s time they ________(deal) with their homework, you’d better not let them off the book. （所给词的适当形式填空）

8 . It's time that you ______________(collect) your daughter from the school. (所给词的适当形式填空)

9 . 阅读下面各题，在空白处填入括号中动词的正确形式。
1. _______ (remind) several times, he made the mistake again, annoying his teammates a lot.
2. ________(greet) with applause from the audience made him relaxed immediately.
3. But for the fact that the restaurant doesn’t open on Sunday, we ________(entertain) our friends outside yesterday.
4. The professor is said to talk about the geography of his country, but I’d rather he ________ (focus) more on its culture.
5. It is high time that we _________(rebuild) the old teaching building.

10 . 语法专练（虚拟语气）
1. I would rather you ______________ （decorate ） the painting house tomorrow afternoon.
2. The doctor recommended that the medicine ______________ （take ）three times a day.
3. Without air, there ______________ （exist）no life on earth.
4. If I hadn't taken your advice, I ______________ （not manage）to carry out the project now.
5. It's high time that we ______________ （apply ）ourselves to the task of protecting our environment.
6. Her advice is that good study habits ______________ （form） in one's childhood.
7. I felt so embarrassed when being blamed by my teacher in class. If only I ______________（complete）my homework last night!
8. He talks about the creatures of the Amazon rainforest as if he ______________ （explore）there before.
9. I was busy finishing my paper that day. Otherwise I ______________ （go）there with them.
10. I wish he ______________ （tell） me the truth last week.