问题
填空题
基本语法
1. When it gets dark, the people ________ (set) off firecrackers.
2. They ________ (begin) to plant trees as soon as they get to the park.
3. She'll go shopping with me if she ________ (have) free time.
4. If he ________ (come) back,ask him to call me back.
5. He ________ (not come)if you don't invite him.
答案
1. set 2. will begin 3. has 4. comes 5. won't come