Every minute is made ________ of ________ our lessons well．

A．to use; study

B．use; studying

C．use; to study

D．used; study

When first ________ to the market, these products enjoyed great success．

A．introducing

B．introduced

C．introduce

D．being introduced

Whom would you rather ________ the work?

A．to have to do

B．to have do

C．have to do

D．have do

If we want to succeed we must ________ what we do and who we are．

A．believe in

B．believe

C．trust

D．believe about

He is said ________ a new computer program recently, but I don’t know he will finish it．

A．design

B．to be designed

C．to have designed

D．to have been designing

－ Did you remember to give Mary the money you owed her?

－ Yes, I gave it to her ________ I saw her．

A．while

B．the moment

C．suddenly

D．once

I was so disappointed to find my car ________．

A．break up

B．break into

C．break out

D．break down

Important ________ his discovery was, it was regarded as a matter of no account in his time．

A．when

B．until

C．as

D．although

Zhang Hua is clever and works hard at his subjects．________

A．So is Li Ming

B．So does Li Ming

C．It was the same with Li Ming

D．So it is with Li Ming

Your ability has never been in doubt

－ the question is ________ you are prepared to work hard．

A．that

B．whether

C．if

D．how