________ you understand this rule, you’ll have no further difficulty．

A．Once

B．Unless

C．While

D．Until

________ she saw this, she regretted it．

A．The time

B．Directly

C．The hour

D．The day

－How about ________ we go to the concert after dinner?

－Sounds a good idea!

A．when

B．if

C．whether

D．that

Kids talk frequently about what they can do, ________ many adults do the opposite, tending to talk about what they can’t and why．

A．and

B．so

C．for

D．while

－Why didn’t you try your best to get on the bus?

－I tried to, but ________ I could, it started moving．

A．until

B．when

C．before

D．after

－When did Miss Wang leave the office?

－She left ________ you turned back to write on the blackboard．

A．the minute

B．a time

C．until

D．unless

－The book isn’t easy for Jack to understand, is it?

－________．His foreign language is far better than expected．

A．No, it isn’t

B．I’m afraid not

C．I don’t think so

D．Yes, it is

－How did you sleep last night?

－Like a log．Never slept ________．

A．well

B．deeply

C．better

D．best

The generous donation from China to the sufferers in the killing Indian Ocean Quake-tsunami has ________ the Chinese people’s unselfishness and internationalism．

A．let out

B．brought out

C．given out

D．taken out

Parents are advised to take pressure ________ a child and give him some encouragement before an exam．

A．off

B．out

C．from

D．away