Motherwas______doingthecookingwhenIcamein.
Will it be_____ before the professor returns ?
If I _________ Bush, I _________ never start any war.
—What's your new classmate like ?
—He is______
Heaskedme_________.
--Can I speak to Mr Smith, please?
--_________. He is giving a talk at a meeting.
邮箱：