—Mom, shall we have supper now?—Oh, we won’t have supper _____

—Mom, shall we have supper now?—Oh, we won’t have supper ______ your dad comes back.

#58373

until

since

while

after

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I have __ a raincoat _____ an umbrella. That’s why I have to wait until the rain stops.

#58016

neither; nor

either; or

not only; but also

both; and

—The classroom is ____ clean ____ it was yesterday.— Sorry, I forget to clean it.

#56798

as; as

so; as

not so; as

more; than

—________ does he often go to Beijing?   —By plane.

#57874

How

When

Where

Which

The old man is _______ please keep quiet.

#57362

sleep, and

asleep, so

sleepy, but

sleeping, but

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

#56833

and

but

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