I am afraid he’s more of a talker than a doer, which is ________ he never finishes anything.(2011·山东)

You will have no difficulty ____ the problem if you ______ it.

When are you going to ______ your novel __________

Tom, it’s cold outside.___ your coat when you go out.- OK. Mom.

Good news! You get the highest mark in the physics examination, Helen!—Don’t ____________. I am not good at physics, you know.