二、单项选择（共10小题；每小题1分，满分10分）
21．He needs________ time with friends.
A．to spend B．spending C．spend D．spends
22．—Must I finish it at once?
—No, you _________ .
A．mustn’t B．can’t C．don’t D．needn’t
23．You never go to the movies, ________ ?
A．don’t you B．do you C．won’t you D．can’t you
24．They had trouble____ complete sentences.
A．make B．makes C．making D．made
