The little boy felt grateful ____ the couch for his letting him _____ the game.
| A．for; join in | B．to; to join | C．to; join in | D．with; join |
We ______ the difficulty together, but why didn’t you tell me?
| A．should face | B．might face |
| C．could have faced | D．must have faced |
I______ thank you too much for all your help to my son while we were away from home.
| A．won’t | B．can’t | C．can | D．will |
If may car _________more reliable, I would have driven to Lhasa instead of flying last summer.
| A．was | B．had been | C．should be | D．would be |
I got close enough to hear them speaking Chinese, and I said “Ni Hao ” just as I ____ do in China.
| A．must | B．might | C．can | D．should |
（2012辽宁卷）One of our rules is that every student wear school uniform while at school.
| A． might | B． could | C． shall | D． will |