Only when you ________ what you have learned to practice ________ say you have made it．

A．adapt; you can

B．apply; can you

C．use; you can

D．adapt; can you

Mary's being hurt ________ the uncertainty of our winning in the game．

A．added

B．added up

C．added to

D．added up to

ChongQing and Wuhan are among the most important cities in China ________ their size and population．

A．in favor of

B．in case of

C．in view of

D．in terms of

It's quite ________ me why such things have been allowed to happen．

A．for

B．behind

C．against

D．beyond

You simply can't imagine ________ full use we ________ of our time to study．

A．what; make

B．how; make

C．what; take

D．how; take

It remains a(n) ________ question whether middle school children should be allowed to use mobile phones at school．

A．controversial

B．solid

C．explicit

D．dynamic

After days of discussion, his plan ________ to be the best one．

A．was to prove

B．proved

C．was proved

D．was proving

Knowledge ________ through children's own practice is lasting and will benefit them all their lives．

A．acquiring

B．acquired

C．being acquired

D．acquired

Students in the school get along well with each other though they come from different social and cultural ________．

A．situations

B．occasions

C．cases

D．backgrounds

Some people think it is ________ waste of time to surf the Internet, while others have ________ great appreciation of it．

A．the; \

B．the; a

C．a; a

D．a; \