After two hours’ operation, the doctors managed to ___ the one-year-old twin at the head.
| A．divide |
| B．separate |
| C．remove |
| D．isolate |
-- Robert is indeed a wise man.
-- Oh, yes. How often I have regretted _________ his advice!
| A．" to take | B．taking | C．not to take | D．not taking |
John received an invitation to dinner, and with his work ________, he gladly accepted it.
| A．finished | B．finishing | C．having finished | D．was finished |
The school' s music group will be giving a big show tomorrow night and two ___ on the weekend.
| A．more | B．other | C．else | D．another |
-- Didn't you have a good time at the party?
-- Of course I did. As a matter of fact, I had such fun that time seemed to __________ so quickly.
| A．go by | B．go away | C．go out | D．go over |
They became friends again that day. Until then, they _______ to each other for nearly two years.
| A．didn't speak | B．hadn't spoken | C．haven' t spoken | D．haven' t been speaking |