You’d better take care，（  ）you will hurt your eyes．

A．so              B．but

C．or               D．and

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

﹣Why didn’t you buy any bread？﹣﹣Sorry，I （  ）

A．forget              B．forgot

C．remember            D．remembered

They all（  ）Laura about building a museum here．

A．waited for          B．handed in

C．agreed with          D．knocked at

Stop smoking，Joe!You （  ）yourself if you keep on doing it like that!

A．will kill          B．have killed

C．kill              D．killed