It’s very late at night, ____ our teacher is still working .

It’s very late at night,  ____ our teacher is still working .

#58417

and

but

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Smile to the world, ________ the world will smile back to you.

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nor

but

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______ would you like to live in?

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which city

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 — Linda, shall we go and watch the Flower Festival Party in April?—             we have the tickets.

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