--- Jack fell off the ladder yesterday，but he is all right now.
---What a lucky dog! He ________himself badly.
| A．should injure | B．might injure | C．should have injured | D．could have injured |
Charlie ______ be really difficult at times even though he’s a nice person in general.
| A．shall | B．should | C．can | D．must |
It was only after I came across that matter_______ how important it was to master a foreign language.
| A．did I realize | B．had I realized |
| C．that I realized | D．when I realized |
--- When shall we meet again, Tom?
--- Make ______ day you like; it’s all the same to me.
| A．that one | B．it any | C．it another | D．that some |
As a result of the serious earthquake, two-thirds of the buildings in that area _______.
| A．need repairing | B．needs to repair |
| C．needs repairing | D．need to repair |
Every athlete as well as some coaches who ____ to go to the Games ____ asked to be here before 7:30 am.
| A．are; are | B．is; is | C．are; is | D．is; are |