—May I go swimming this afternoon? — I'm afraid not ______

—May I go swimming this afternoon? — I'm afraid not _______ you have finished your homework.

#55374

unless

because

but

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___________ the young girl ___________ her parents take regular exercise in order to keep fit.

#56037

Not ... but

Either ... or

Neither ... nor

Not only ... but also

Hurry up, _________ you will be late for class.

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and

but

Lucy fell asleep_______ she was listening to music.

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before

while

after

as soon as

Hurry up, ________ you will be late for school.

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and

but

_________our hometown is only a small one, the number of foreigners living and working here is growing fast.

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Although

Since

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