Smile to the world, ________ the world will smile back to you.

We’re going to Suzhou Amusement Park in Linda's card. You can come with us______you can meet us there later．

I hate travelling by air__________ you usually have to wait for hours before the plane takes off.

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

----Time to go to bed, Mary.
----Oh, mum. I won’t go to bed _______ I finishes my composition.

I will take a holiday with my family _______ I finish all the exams.

She wants to have good grades, _____ she doesn’t want to work hard.

Please _____ come in_____ go out. Don’t stand there at the gate.
A. both…and    B. not only…but also  C. either…or

Helen didn’t know anything about it            her father told her.

He speaks ______English ______French. Instead, he speaks German.