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As is reported, it is 100 years ________Qinghua University was founded.

A．when        

B．before   

C．a(chǎn)fter        

D．since

Bring the flowers into a warm room ________they'll soon open. 

A．or                 

B．a(chǎn)nd    

C．but                

D．for

One Friday, we were packing to leave for a weekend away ________ my daughter heard cries for help.

A. after          

B. while   

C. since         

D. when

Find ways to praise your children often, ________ you'll find they will open their hearts to you.

A. till 

B. or

C. and 

D. but

—Someone wants you on the phone.

—________nobody knows I am here.

A．Although　　　　　　　

B．And

C．But 

D．So

Bill Gates, for ________ money is no problem, is a kind­hearted man.

A．whose 

B．whom

C．which 

D．him

Patience, without ________ you can't do the work well, is a kind  of quality.

A．that 

B．it

C．which 

D．what

Willie has complained to the sales manager about the PC he bought ________ screen exploded for no reason.

A．which 

B．where

C．whose 

D．when

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

A．that; when

B．which; that

C．that; before

D．which; when

—What does the notice say?

—All the storytellers should meet at the same hall ________ won the first three prizes.

A．what 

B．a(chǎn)s

C．who 

D．which