_________ difficult the task may be, we must finish it on time, because we can’t meet such a precious opportunity ______

_________ difficult the task may be, we must finish it on time, because we can’t meet such a precious opportunity _______ we have expected.

#72105

Whatever; that

However; as

However; that

Whatever, which

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In my opinion, life in the twenty-first century is much easier than ___________.

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that used to be

it is used to

it was used to

it used to be

 ____ it happens, her birthday is after mine.

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While

Though

Until

One of the men held the view ____ the book said was right.

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what that

what

that

that what

Each time ___ we have done our homework, we will go over it.

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which

during

where

-The weather is too cold ____ March this year.  —It was still ____when I came here years ago.

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for; colder

in; cold

in; hot

for; hotter

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