We must do something to protect the earth, ___

We must do something to protect the earth, ____we will lose our home.

#56833

and

but

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We should protect the earth，         we will have no water to drink．

#58271

and

but

—What do you think of the two pairs of trousers?—They don’t fit me well. They are _______ too long _______ too short.

#55248

not only; but also

both; and

either; or

neither; nor

—What do I have to do ______ I want to be thinner?—Eat less, exercise more.

#57591

but

since

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________ no one wants to read the book, they have to read it.

#58171

Although

And

But

I won’t watch TV ______ I finish my homework.

#58463

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after

until

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