5.2 课时作业
Ⅰ.用所给动词的适当形式填空
1．If you ________ (succeed), everything would be all right.
2．If she ________ (not be) ill, she might have come.
3．If Professor Li should have time tomorrow, we ________ (ask) him some questions.
4．If I ________ (know) his telephone number, I would call him right now.
5．She is busy now. If she ________ (be) here, she would go with you.
