—How unhappy your roommate looks!
—Yes, but he's not willing to tell me what it is ________ is troubling him.
| A．what | B．which |
| C．as | D．that |
—Tell Jack I will wait for him at school.
—_____ he doesn’t come?
| A．How about | B．What if | C．If only | D．Whatever |
Only when I left my parents for Italy______ how much I loved them.
| A．I realized | B．I had realized | C．had I realized | D．did I realized |
There doesn’t seem much point_____ on the project, for it is not useful at all.
| A．to work | B．work | C．in working | D．worked |
First impressions are the most lasting. After all, you never get___ second chance to make___ first impression.
| A．a; the | B．the; the | C．a; a | D．the; a |
― Have you ever talked to your fiancée about the wedding yet?
― No, I’d like to, ______.
| A．indeed | B．yet | C．anyway | D．though |