. ---When did Miss Wang leave the office
----She left ____you turn bake to write on the blackboard
Athe minute B. a time C. until D. Unless
It is really _____ useful dictionary and _____ dictionary every one of us needs．
| A．an; a | B．a; the | C．the; a | D．a; a |
— According to my grandma, it is a good idea to eat chicken soup when you have a cold.
— ________, scientists agree with her.
| A．Sooner or later | B．Once in a while | C．To be exact | D．Believe it or not |
The country has already sent up three unmanned spacecraft, the most recent ________ at the end of last March.
| A．has been launched | B．having been launched |
| C．being launched | D．to be launched |
So much of interest ________ that most visitors run out of time before seeing it all.
| A．offers Beijing | B．Beijing offers | C．does Beijing offer | D．Beijing does offer |
— Did you remember to give Mary the money you owed her?
— Yes, I gave it to her ________ I saw her.
| A．constantly | B．directly | C．suddenly | D．supposedly |