I would appreciate it________you call back this afternoon for the doctor's appointment.
| A．until |
| B．if |
| C．when |
| D．that |
.--Have you heard that eleven people were killed on the spot in the highway tragic accident?
--yes，what——shock it is to hear ——news．
| A．a；the | B．a；a | C．／；／ | D．the；／ |
___________ by thick bamboo, the cottage is hard to find.
| A．Surrounding | B．Being Surrounded | C．Surrounded | D．having surrounded |
He has ____________ himself to be innocent (无罪的).
| A．checked | B．realized | C．confirmed | D．showed |
Everybody in our class admires Lily, for she has a __________ for playing the piano.
| A．present | B．gift | C．ability | D．power |
_________ you’ve got a good chance, you should make full use of it.
| A．Now that | B．After | C．Although | D．As soon as |