Jack wasn’t saying anything，but the teacher smiled at him ________he had done something very clever．
| A．as if | B．in case |
| C．while | D．though |
The victims of the accident demanded that the case ______ at once.
| A．would be looked into | B．should look into |
| C．be looked into | D．look into |
We each took ______ tea after having ______ wonderful supper at my aunt’s yesterday.
| A．a; / | B．/; / | C．the; the | D．a; a |
I have lost one of my gloves. I __________it somewhere.
| A．must drop | B．must have dropped |
| C．must be dropping | D．must have been dropped |
As time ______, my mother gets older and older.
| A．goes down | B．goes by | C．goes away | D．goes along |
So sleepy_______ that he could hardly keep his eyes______.
| A．John was; open | B．was John; open | C．John was; opened | D．was John; opened |