It ________ we had stayed together for a couple of weeks ________ I found we had a lot in common．

A．was until, when

B．was until, that

C．wasn’t until, when

D．wasn’t until, that

It was in the university _______ my sister studies ______ I met the film star．

A．that; that

B．where; where

C．where; that

D．that; where

________ time ________ by, we grew wiser and wiser．

A．With; went

B．As; going

C．As; went

D．With; gone

Allow children to voice their opinions, ________ they are different from your own．

A．until

B．even if

C．unless

D．as though

Many houses were destroyed in the heavy rain．They should get them ________．

A．to repair

B．repaired

C．repairing

D．repair

The CEO needs an assistant with ________ little knowledge of German and ________ experience in administrative management．

A．the, an

B．the,/

C．a, an

D．a,/

Studies show the MP3 people have made much use of ________ music may be causing hearing loss in many people．

A．enjoy

B．to enjoy

C．enjoying

D．enjoyed

It may be hard in modern times to imagine life without ________ to lights at night．

A．use

B．approach

C．chance

D．access

A harmonious society is very important, so all the laws must be strictly ________．

A．watched

B．observed

C．carried

D．handled

They must have been enjoying themselves there, or they ________ so long．

A．wouldn’t stay

B．wouldn’t have stayed

C．needn’t have stayed

D．couldn’t stay