David didn’t give up ______ he had failed in the experiment four times.

David didn’t give up ______ he had failed in the experiment four times.

#58224

while

though

since

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I really enjoyed your lecture, ______ there were some parts I didn’t quite understand.

#58361

because

unless

though

after

Jim can’t go to school ___ his parents have no money.

#58115

because

and

but

I like English. ________ I am not good at it.

#55926

And

But

_________ do you spell it?

#56329

What

How

How many

How old

It's 9:30 pm, children! ______ is time to go to bed.

#57639

That

This

They

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