根据句意，写出括号内所给单词的适当形式。

根据句意，写出括号内所给单词的适当形式。
小题1:My father will go to Beijing on business at the ____ (begin) of next month.
小题2:I couldn’t fall ___________ (sleep) because I drank too much coffee in the daytime.
小题3:Who do you think did _____________(badly) in this competition, John, Jim or Jane?
小题4:--- Is the fruit salad __________(finish)? --- You’d better wait for five more minutes.