1. You’d better not phone the manager between 7 and 8 tomorrow evening; he ___an important meeting then.
A. will have B. would have C. will be having D. will have had
2. —I’m sorry, but the boss isn’t here yet. Shall I have him call you when he comes back?
—No, I’ll call him back. If I call again in half an hour, do you think she ___ ?
A. had arrived B. has arrived C. will arrive D. will have arrived
1. Why do you look worried?
Fred left the company half an hour ago. His work _D_ unfinished since.
A. left B. was left C. has left D. has been left
* has been left 现在完成时态（since从那到现在）+被动语态
2. —You could have asked Mr. Johnson for help. He is kind-hearted.
—I _B__ that. A whole day ____.
A. forget; wastes B. forgot; was wasted C. forgot; had wasted D. forget; was wasted
*forgot 是指过去忘记了；was wasted 过去式，被动语态。