_ we were walking along the river, we heard a cry for help.

   _    we were walking along the river, we heard a cry for help.

#55724

While

Until

After

Before

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I’m tidy ,  my sister is not.

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and

but

under

always

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Since

Because

Because of

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before

when

until

_______ the weather , the swimming match has been put off.

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Because

Thanks to

Thanks for

With the help of

_______Lisa _______Lucy may go with you because one of them must stay at home to take care of the dog.

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Not only ---but also

Neither---nor

Both---and

Either----or

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