Helen loves reading．She has read（ ）books this month．
A．five B．fifth
C．five of D．fifth of
It’s surprising that Mr．Ma’s little daughter（ ）speak English so well．
A．must B．can
C．mustn’t D．can’t
﹣May I use your MP4today，Paul？
﹣﹣（ ）I will not use it．
A．No，you can’t． B．I’ve no idea．
C．Sure，go ahead． D．Not at all
I will try my best to stop my son from（ ）the same mistake．
A．make B．made
C．makes D．making
（ ）did you work out the problem in such a short time？
﹣﹣With Mr．Li’s help．
A．When B．Where
C．How D．Which
They walked home last night because they couldn’t（ ）to take a taxi．
A．leave B．buy
C．afford D．allow
