If you are a regular drinker of coffee, drinking a little of it just eases the symptoms of caffeine ________．

addiction

addition

affection

withdrawal

China won't be a fast-growing but fragile country．It has to develop it's military strength in order to make any power think twice ________ trying to offend China's key interests．

before

when

while

until

Both parents and teenagers should try their best to communicate more with each other and ________ the gap between them．

open

adjust

narrow

reduce

“You'll have to wait for two hours, ________ is, at about 11∶30, ________ the medical report will come out,”the doctor said to me．

that; when

which; that

that; which

it; whose

Worried about the time ________, Mary had made a list of the sites she wanted to see in Beijing．

adequate

available

efficient

accessible

My computer has a virus．I asked my friend to take a look at it．She can ________ any computer problems．

get out

pick out

take out

sort out

to prove

prove

proving

proved

The Green Corporation donated the property to the state of California, with one condition ________ the Green family would be allowed to use it when they wished．

what

which

when

that

The work has ________ the status of a classic among the composer's admirers．

required

acquired

inquired

inspired

If Rose ________ her diamond in a safer place, it ________ stolen．

had put; might not have been

had put; could be

had put; might be

had not put; could not have been