—Thewindowsaredirty.—Iknow.The

—The windows are dirty.
—I know. They _________ for weeks.

A．haven’t cleaned	B．didn’t clean
C．weren’t cleaned	D．haven’t been cleaned

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The purpose of the advertisements is to ______people’s attention, _____them to buy the things.

A．pay; attract

B．draw; persuade

C．attract; persuade

D．attract; persuading

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Staring into his eyes, I could see a _______ look in his eyes.

A．puzzle

B．puzzling

C．puzzled

D．puzzley

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.I am here not because I want to earn money ________I want to educate the children.

A．but

B．but because

C．but for

D．and because

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– Can you see what is written on that?
--- It _____”No Camping”.

A．reads

B．is read

C．writes

D．is reading

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.In the past five years Tomlison with his daughter _______all over the world.

A．has travelled

B．traveled

C．have traveled

D．were traveling

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