——Hi, Mike．Any idea where Mary is?
——She ____ in the classroom．I saw her there just now．
| A．shall be | B．should have been | C．must be | D．might have been |
—I’m sorry, I shouldn’t have been so rude to you.
—You________ your temper but that’s OK.
| A．have lost | B．had lost | C．did lose | D．were losing |
—I wonder how long you _____ in Hawaii.
—Just for the weekend, then I had to attend a conference in Los Angeles.
| A．will stay | B．were staying | C．have stayed | D．stayed |
—Miss wang once art at Bardon School for ten years and now is a singer.
—No wonder I often hear her sing in the garden.
| A．had taught | B．taught | C．is teaching | D．has been teaching |
—I’m sure Andrew will come out first in this gymnastic competition.
—I think so. He ______ for it for months.
| A．is preparing | B．was preparing | C．had been preparing | D．has been preparing |
— Had we been more careful, the accident might not have happened.
— But we _____ at that time.
| A．hadn’t | B．didn’t | C．weren’t | D．might not |