It is obvious to the students ________ they should get well prepared for their future．

A．as

B．which

C．whether

D．that

－Sorry, I have to ________ now．It’s time for class．

－OK, I’ll call back later．

A．hang up

B．break up

C．give up

D．hold up

A person ________ e-mail account is full won’t be able to send or receive any e-mails．

A．who

B．whom

C．whose

D．whoever

________ the project in time, the staff were working at weekends．

A．Competing

B．Having completed

C．To have completed

D．To complete

－We’re organizing a party next Saturday, and I’d like you to come．

－________!I have another one that day．Thank you just the same．

A．Good luck

B．What a pity

C．Never do it again

D．Well done

My parents ________ in Hong Kong．They were born there and have never lived anywhere else．

A．live

B．lived

C．were living

D．will live

I’m trying to break the ________ of getting up too late．

A．tradition

B．convenience

C．habit

D．leisure

Stand over there ________ you’ll be able to see it better．

A．or

B．and

C．but

D．while

Shwe'll never forget her stay there ________ she found her son who had gone missing two years before．

A．that

B．which

C．where

D．when

My uncle's house in the downtown area in much smaller than ours, but it is twice ________ expensive．

A．as

B．so

C．too

D．very