If all the plants on the earth die, _______ people ________

If all the plants on the earth die, _______ people _________animals will be able to live.

#56732

neither; nor

both; and

not only; but also

either; or

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Think it over, _____ you’ll work out the math problem.

#56357

for

and

I have known him________ I was young.

#55691

before

when

after

since

—I’m afraid that I can’t do it.—Oh, you should believe in yourself. You won’t know what you can do______ you try it.

#57720

because

until

while

—Where’s my cat, Bill? —There aren’t any cats here, ___________ there’s a little dog.

#58203

but

and

with

My neighbor asked me _______ I heard the big noise last night.

#55252

why

whether

that

what