____some doubt among scientists about the cause of cancer.

____some doubt among scientists about the cause of cancer.

#92930

It exists

There exists

There is existing

It is existing

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 It’s nice _______ me with my lessons.

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of you to help

for you to help

of you helping

for you helping

— Excuse me!— _____— How can I get to the nearest post office?

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Yes?

That’s OK.

What’s wrong?

Pardon?

Jack, ______ to be here at 8 o’clock.

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is sure

is sure that

will be sure

be sure

It is impossible for____________ little room.

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so, such

so, so

such a, so

such, such

There is no ________ thinking more about the matter. Take it easy.

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point

fun

doubt

need

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