1. (C)根据句意及汉语提示完成句子。

1. （1） The library is the lab (在…..和…..之间)the computer room.
3. （2） You must   (照顾)your sister.  
5. （3） If you have any questions, you can your teacher (求助)help.
7. （4） He   (熬夜) for the coming final exam last night.
9. （5） On Peter's birthday party , he made a wish and   (吹灭)the candles