How long do you think it will be _______ China sends another manned spaceship to the moon?
| A．when | B．until | C．that | D．before |
It is not when to start the job but who to start ______is of importance.
| A．which | B．it | C．that | D．this |
______child as he is, ______he behaves like an adult.
| A．A; but | B．/; / | C．/; but | D．the;/ |
-- Do you still remember when you first met John?
--- I can’t quite remember, but I’m sure it was ______ Friday afternoon because we were at ______ school for a meeting.
| A．/; the | B．the; / | C．a; / | D．/;a |
---May I have a talk with you on the phone, Sir?
--- ________, but not during my sleeping time.
| A．I'm sorry | B．Anytime | C．Certainly | D．Go ahead |
Only when I left my parents for America ________ how much I loved them.
| A．I realized | B．I had realized |
| C．had I realized | D．did I realize |