1. 根据句意及首字母提示补全单词

1. （1） I will give less homework to my students if I b  a teacher．
3. （2） He has learnt about 2，000 Chinese words s he came to China．
5. （3） Do you have a h diet?
7. （4） Mary ate too much last night．So she had a stomach a ．
9. （5） I often go running in the park to keep f ．