During the break she began to sing an English song, and we all ________.

A．joined

B．joined in

C．took part in

D．took

This is one of the rooms that ________ damaged at the time.

A．is

B．are

C．was

D．were

This is the paper ________ I read every day and________ I find so interesting.

A．不填;不填

B．which; 不填

C．不填 ;which

D．which; whose

I __________the cell phone in school, because it will be taken away from me.

A.　　  daren’t to use　　　　  　　　　　　   　　   

B.　　  don’t dare to use

C.　　  don’t dare use　　　　  　　　　　　   　　   

D.　　 dare to not use

You must stand it, and see it through, __________it costs.

A.　　  no matter what　　    　　　　　　   　　   

B.　　  no matter how

C.　　  what　　    　　　　　　   　　　　　　  

D.　　 how

In summer we usually keep the window __________so that cool air will come in.

A.　　  opened　　 　　　　　　   　　　　　　  

B.　　  to be open

C.　　  open　　    　　　　　　   　　　　　　  

D.　　 opening

You’d better take some medicine with you __________someone gets sick.

A.　　  so that　　  　　　　　　   　　　　　　   　　   

B.　　  as soon as

C.　　  as long as 　　　　　　   　　　　　　  

D.　　 in case

It’s a pleasant day for a picnic. I’m sure we’ll__________.

A.　　  have a fun　　　　　　   　　　　　　   　　   

B.　　  have fun

C.　　  enjoy fun  　　　　　　   　　　　　　  

D.　　 get funny

I’m feeling completely tired out; I’ve been __________ever since eight o’clock this morning.

A.　　  on the go  　　　　　　   　　　　　　  

B.　　  rushed on the feet

C.　　  on board   　　　　　　   　　　　　　  

D.　　 at the work

She had a nature that quickly ________ her the friendship of her classmates.

A．defeated

B．beat

C．struck

D．won