twiceayear，whetheritisacarorab

________twice a year，whether it is a car or a bus or a truck，is the rule that every driver must obey in this city.

A．Examining

B．Examined

C．Being examined

D．Having been examined

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–Going to the dentist really frightens me.
–________. Don’t be a chicken!

A．Come on

B．Fine

C．Go ahead

D．Poor you

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–Excuse me, sir, didn’t you see the red light?
–Sorry, my mind ________ somewhere else.

A．has been wandering	B．was wandered
C．was wandering	D．has been wandered

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The toughest thing about success is ________ you have to keep on being a success.

A．why

B．when

C．what

D．that

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The influence of this book might not have been reaching so far, ________for Mr. William, who dared to publish it.

A．if had it not been

B．is it not being

C．had it not been

D．its only having been

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–My TV set doesn’t work, the water tap is dripping and my car is still under repair!
–You sure ________ bad luck these days.

A．had

B．will have

C．had had

D．are having

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