I’llasktheteacheraboutpasttens

---I’ll ask the teacher about past tense. I’m very puzzled about it.
--- That is just _____ most of our classmates have doubt.

A．what

B．why

C．where

D．how

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A．If then

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C．And then

D．What’s up

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A．is written

B．writes

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A．Wanting the job very much

B．Although wanting the job badly

C．Though he wanted the job very much

D．He wanted the job badly

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—You’d better go to check it.

A．went

B．is going

C．has gone

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On the top of the mountain two towers built more than 500 years ago.

A．is standing

B．are standing

C．stand

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