The light in his office is out. He_________ left for home.
| A．must have | B．must have been | C．should have | D．should have been |
If I his advice earlier,I would not be embarrassed now.
| A．followed | B．had followed |
| C．would follow | D．were to follow |
There will be interval of 20 minutes after second act.
| A．an;a | B．an;the | C．不填；the | D．the;a |
— Honey,what if we move the sofa over there? Would that look better?
— . I totally agree with you.
| A．Forget it | B．Not at all |
| C．No way | D．Good idea |
--- -When did he get his first novel published?
---- It was in 2008 ____ he was still in high school.
| A．that | B．since | C．when | D．which |
Nobody can explain the mystery ____ he suddenly disappeared.
| A．why | B．what | C．whether | D．which |