Weallknowlawstodiscouragetheus

We all know laws to discourage the use of plastic bags _______ in many parts of the world.

A．passed

B．have passed

C．had been passed

D．have been passed

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I have no idea what life would be like without water. The underlined part means “_________”.

A．don’t remember

B．don’t know

C．don’t believe

D．don’t expect

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The lady_________dancing as a hobby in her sixties, and she is really good at it now.

A．dressed up

B．looked up

C．took up

D．put up

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Though I_________the phone number many times, the foreigner couldn’t write it down.

A．repeated

B．refused

C．researched

D．recognized

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Edward, you have grown up. You should learn to make your own room_________.

A．empty

B．noisy

C．dirty

D．tidy

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These natural disasters have warned us that everyone should start to protect the_________ immediately.

A．amusement

B．development

C．environment

D．government

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