根据句意，用所给单词、短语的适当形式填空，每词或短语只限使用一次。

harm    ninety    mouse    fall off    drive

小题1:This cat caught three _____________ in the yard last night.
小题2:His mobile phone rang while he _____________ his new car on the street.
小题3:You’d better stop smoking. It’s _____________ to your health.
小题4:He _____________ the tree and hurt his left leg.
小题5:Next Sunday is my grandmother’s _____________ birthday. We will hold a party for her.