Don’t get off the bus _______

Don’t get off the bus ________it has stopped．

#55561

until

because

though

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--Would you like to go bike riding with us tomorrow?  ---Sure, ____ I am busy.

#57365

since

unless

when

until

I like English, __________ I don’t like history.

#55721

but

for

and

---        can you see in the picture?        ---Some birds.

#56261

What else

What other

How else

How other

Which do you prefer to use to keep in touch with your friends，QQ__________MSN?

#56400

and

but

My Green is well known all over the town._____he goes,there’s somebody who knows him.

#55498

However

Whenever

Wherever

Whatever