Ⅰ.用所给单词的适当形式填空
1．It is time that the government (take) measures to protect the rare birds and animals.
2．Jack (not arrive) yet, otherwise he would have phoned me.
3．He talks as if he (be) in the USA for many years.
4．It's str ange that he (not join ) the meeting yesterday.
5．If only I (not take) his advice.
6．The order is that everyone (give) a fiveminute talk in class.
7．If I bus this morning, I would not have been late for school.
8．If he come today, I might be free to talk with him.
答案：1. took 2. didn't arrive 3. had been 4. didn't join 5. had not taken
6. (should) give 7. had aught 8. were
