Only when class began ______that he had left his book at home．
A. will he realize B. he did realize C. did he realize D. had he realized
— How was your job interview?
— Oh, I couldn’t feel ______. I hardly found proper answers to most of the questions they asked.
A. better B. easier C. worse D. happier
—Have you found the problem with the computer ?
—Sorry. It ______ .
A. is checked B. is being checked C. has checked D. was being checked
—Tom, you are smoking again?
—______? It’s none of your business.
A. So what B. How come C. Why not D. What for
— May I remind you that a Mr. Smith is waiting outside, sir?
— Oh, that’s right. I ______ about it.
A. forget B. forgot C. had forgotten D. have forgotten
They will fly to Washington, ______they plan to stay for two or three days.
A. which B. where C. there D. when
