The light is still on. They ___ to turn it off when they left the room.
|
A．must forget |
B．could have forgotten |
|
C．may forget |
D．must have forgotten |
I often have conversation with John over _____ phone, but keep in touch with Tom by writing _____ letters.
|
A．/; the |
B．/; a |
C．the; / |
D．the; a |
Whenever I was in trouble, he would do what he could _____ me.
|
A．help |
B．helping |
C．to help |
D．helped |
You ____ television．Why not do something more active?
|
A．always watch |
B．are always watching |
|
C．have always watched |
D．have always been watching |
She is my best teacher ______ help I have made great progress．
|
A．with whom |
B．whose |
C．which |
D．with whose |
E-mail, as well as telephones, ___ an important part in daily communication.
|
A．have played |
B．is playing |
C．are playing |
D．play |
