Mark is very similar _____me, but he is a little different ______ me.

What you’ve said sounds___, but can we really solve the problem in that way—It is worth a try.

You look unhappy， my son—I’m wondering how long it’ll be wecome to China again.

The ______you work at your lessons, the _______ results you will get.

If I can help________，I don’t like working too late into the night.[ ]