Only then ___ that he had made a mistake.
| A．he realized | B．did he realized | C．realized he did | D．did he realize |
--- My son is _____ to be seen. Where has he gone?
--- I think he _____ in the building.
| A．nowhere; must be hiding | B．nowhere; must be hidden himself |
| C．anywhere; hides | D．everywhere; hides himself |
His grandfather was among the first to settle in _____ is now a famous holiday center.
| A．what | B．which | C．where | D．that |
No sooner _____ to sleep than the telephone rang once more.
| A．she went | B．she had gone |
| C．did she go | D．had she gone |
You should take _____ of this opportunity and try to make a good impression on them.
| A．care | B．advantage | C．charge | D．place |
------Do you know if Linda is willing to take charge of the program?
------_________，does it?
| A．It takes no time | B．It counts for nothing |
| C．It doesn’t hurt to ask | D．It doesn’t make sense |