—Weredoingalottoprotectourenvi

—We're doing a lot to protect our environment, but it is not good enough. —So we should try______ to look after it.

A．hard

B．harder

C．hardest

D．hardly

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相关试题

--- Where are we going to have a trip?
--- ________.

A．It doesn’t matter

B．It’s up to you

C．That’s OK

D．Take your time

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--- Have you seen the movie《Lost in Thailand》?
--- Yeah, it’s truly worth ________. It’s ________ interesting that I’ve seen it twice.

A．seeing; too

B．to see; enough

C．seeing; so

D．to see; such

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Not only his parents but also his grandfather ________ to a lot of places of interest in our country since they came here.

A．has gone

B．has been

C．have gone

D．have been

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--- Did you have anyone _________ the watch?
--- Yes. I had the watch ________ yesterday.

A．to repair; repair	B．repaired; repaired
C．repair; to be repaired	D．repair; repaired

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---Can you give me a hand?
---Sorry, I can’t help you do this because it is ________my ability.

A．above

B．over

C．more than

D．beyond

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