I doubt Sam will be the new chairperson of the Students’ Union. I don’t think he’d be able to organize things well.
—Thank you for your help. — ___________.
—Has anyone taught him how to do it?—Sure. Lots of advice________, but he hasn’t made a decision.
—The spacecraft has never been to the moon, ________ ?—Certainly.
—Miss Li has taught ____ English for about 3years.—You are lucky. ____ is a very good teacher.
—How long has John been here? — Two years, _______ he still has no friends.