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--- I don’t think I should stay in this house?
--- ______ why?

You won’t pass the English exam ___________ you study hard.
A. if        B. so        C. unle

— Would you like to come to my house for dinner?
— I’d love to. ____ I have lots of work to do.

Wake up, Tom! It’s time to get up now, ________ you’ll miss the school bus.
A. or      B. and      C. But

______ it’s cold in winter, quite a few people ______ go swimming in the swimming pool every day.
A. Although, but
B. Though, still
C. /, but

We are going to Mazhou Park in Linda’s car. You can come with us ___ you can meet us there.

We don't have a car. ________we have two bikes.

The sun is shinning, ______ it isn’t warm today.

—Did you buy the car about ten years ago? —Yes. ____it’s old, it still runs well.
A、Because     B、Since     C、Although

About 75% percent of the students can go swimming       the rest can’t.
A. while              B. and                   C. or