It’s widely known that you won’t achieve success ____

 It’s widely known that you won’t achieve success _____ you work hard.

#55267

unless

whether

until

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These young orange trees need special care _______ they can live through winter .

#57969

for

because

so that

unless

---- ________ it is late, I shall go home now. ---- OK, go ________.

#56210

So; down

If; up

Since; ahead

Because; out

Lucy fell asleep_______ she was listening to music.

#58200

before

while

after

as soon as

 He was so tired that he fell asleep ___he went to bed.

#58470

as if

even though

ever since

as soon as

Bill won’t make any progress_____he studies harder than before.

#58418

when

because

unless

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