课时1：词汇、表达与语法；课型B（小综合）；课长30分钟
一、单项填空
1. . ---Tell me what time the roof _______. ---At one o’clock before dawn.
A. made a fire B. was on fire C. started the fire D. caught fire
2. It is raining hard; _______, I have to go out.
A.however B. because C. so D. though
3. The old man had to give up working _____ his poor health.
A. because B. since C. as D. because of
4. Tom did whatever he could________ those who were in trouble.
A. to help B. help C. helping D. do help
5. “ How many tigers did you see in the zoo?” “_______”
A. No one B. Nobody C. None D. Nothing
