—Have you finished the book? —No. I've read up to __________ the children discover the secret cave.
| A．which | B．what | C．that | D．where |
—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 |
It’s reported that by the end of this year the output of cars of the factoryby about 20%
| A．will have risen | B．will be raised | C．will rise | D．will have been risen |