Thisisanillnessthatcanresultin

This is an illness that can result in lung cancer ____ left untreated.

A．after

B．if

C．since

D．unless

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A．the; the	B．不填；the
C．the; 不填	D．不填；不填

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—Have you heard _________ news? The price of _________ petrol is going up again.

A．the, the	B．不填, the
C．the, 不填	D．不填，不填

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A．不填; the	B．the; 不填
C．a; 不填	D．不填; a

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I like __________ color of your skirt. It is __________ good match for your blouse.

A．a; the	B．a; a
C．the; a	D．the; the

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I wanted to catch __________ early train, but couldn’t get __________ ride to the station.

A．an, the	B．不填, the
C．an, 不填	D．the, a

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