题目内容：

根据句意，写出括号内所给单词的适当形式。

1.My father will go to Beijing on business at the   ____      (begin) of next month.

2.I couldn’t fall ___________ (sleep) because I drank too much coffee in the daytime.

3.Who do you think did _____________(badly) in this competition, John, Jim or Jane?

4.--- Is the fruit salad __________(finish)? --- You’d better wait for five more minutes.