The volleyball match will be put off if it ________．

A．will rain

B．rains

C．rained

D．is raining

It's generally considered unwise to give a child ________ he or she wants．

A．however

B．whatever

C．whichever

D．whenever

－He was nearly drowned once．

－When was ________?

A．that

B．it

C．this

D．one

Scientists say it may be five or six years ________ it is possible to test this medicine on human patients．

A．since

B．after

C．before

D．when

The bus ran into the huge stone ________ the driver could stop it．

A．after

B．before

C．since

D．until

He's making ________ progress in his lessons that everyone else in his class considers him as a good example to follow．

A．such a great

B．so great

C．very great

D．such great

He had ________ little education that he can't teach ________ little children．

A．so; such

B．such; such

C．so; so

D．such; so

She told us ________ story that we all forgot about the time．

A．such an interesting

B．such interesting

C．so an interesting

D．a so interesting

The wind was ________ strong ________ people felt it hard to walk in the street．

A．so; that

B．such; as

C．so; as

D．too; to

She will tell us why she feels strongly that each of us has a role ________ in making the earth a better place to live．

A．to have played

B．to play

C．to be played

D．to be playing