Mom，don’t you think it's OK to play once in a while ___________

Mom，don’t you think it's OK to play once in a while ____________ it doesn’t affect my studies?

#30096

even if

unless

so that

as long as

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There is no student _______ wants to go to university.

#33892

that

who

whoever

but

He waited ________ the volcano became quiet and he was able to return two days later.

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when

before

until

Try ___ she might, Sue couldn’t get the door open.

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when

since

______ the Internet is of great help, I don’t think it’s a good idea to spend too much time on it.

#32459

Because

While

Henry, take this seat, ________ you’ll have to stand watching the game.

#33460

and

then