根据句子意思及所给的词首字母或汉语提示，完成下列单词。

1. —My English is poor. —Don't w______. I can help you.

2. —What's the time? —It's a q______ past three.

3. We have about eight ______ (百) students in our grade.

4. Don't ______ (忘记) to bring your English book here tomorrow.

5. Jim is ______ (聪明的). The teacher likes him.