He tried all morning to learn to play the game, but still didn't get the ________ of it, which made him feel foolish．

A．hang

B．best

C．turn

D．way

The door is wide open．________ somebody ________?

A．May; have come in

B．Can; have come in

C．Can; come in

D．May; come in

A terrible disaster hit Japan recently, causing some people to think of ________ we call the end of the world．

A．what

B．which

C．that

D．it

The USA ________ on several countries in the past years, which reminds us that a nation must be strong if it ________．

A．has started war; is to survive

B．started war; is going to survive

C．had started war; will survive

D．has started war; is about to survive

Don't tell lies．After all, trust is something too precious to ________ with．

A．put up

B．take chances

C．find fault

D．get away

If it doesn't work to put on a long face all day before the students, why not try making yourself ________ to them?

A．pleased

B．similar

C．pleasant

D．slim

I hate the idea of going on ________ diet; I prefer taking ________ exercise．

A．a; the

B．the;/

C．the; the

D．a;/

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

A．introducing

B．introduced

C．introduce

D．being introduced

It is uncertain ________ side effect the medicine will bring about, although about two thousand patients have taken it．

A．what

B．that

C．how

D．whether

The English in the future will be quite different from the English of today．It is possible that some English words may even ________ completely．

A．die down

B．die out

C．die off

D．die of