AlthoughtheteacherhadtoldBobth

Although the teacher had told Bob the history of telephone, Bob didn’t know when ____.

A．it was invent

B．was it invented

C．it was invented

D．it invented

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She________ her hometown for many years. No one nearly knows her.

A．has been away from

B．has left

C．had left

D．left

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—Were you at home at 9:00 last night? I called you but nobody answered.
—Sorry, I ________ at that time.

A．take a shower	B．took a shower
C．was taking a shower	D．am taking a shower

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—May I speak to the headmaster?
—He a meeting now. Can I take a message?

A．is having

B．had

C．has

D．will have

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Tom hardly hurt himself in the accident, ________?

A．didn’t he

B．does he

C．doesn’t he

D．did he

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If our government attention to controlling food safety now, our health ________ in danger.

A．won't pay; is	B．doesn't pay; is
C．won't pay; will be	D．doesn't pay; will be

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