if 条件状语从句的时态练习
单项选择
1. You are sure to pass the exam ________ you study hard.
A. if B. though C. that D. since
2. I'll go to see the film with you ________ I have time this evening.
A. whether B. so C. if D. when
3. ________ you study harder, you'll never pass the final exam.
A. If B. Until C. Unless D. Except
4. We’ll stay at home if it ________ this afternoon.
A. rain B. rains C. to rain D. raining
5. We will go to the Great Wall if it ________ tomorrow.
A. won’t rain B. isn’t raining C. rained D. doesn’t rain
