Whilewatchingtelevision,.A．the

While watching television,__________.

A．the doorbell rang	B．the doorbell rings
C．we heard the doorbell ring	D．we heard the door bell rings

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Could you lend me 50 pence? ______, I’ll have to change a ￡10 note into coins.

A．Therefore

B．Instead

C．Otherwise

D．Yet

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. We should advance step by step and not reach ______ what is beyond our grasp.

A．into

B．for

C．towards

D．out

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. — Flight 551 for Dalas ______. I must be off now.
— Have a pleasant trip then.

A．is being announced

B．has announced

C．was announcing

D．had been announced

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She broke away from the traditional ______ of wife and mother and became a journalist.

A．way

B．custom

C．role

D．idea

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_____ we admit that there are still some problems about NMET, we don't mean that it is of no use.

A．Until

B．While

C．As

D．Unless

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