____________caused the accident is still a mystery.
| A．How | B．What | C．That | D．Where |
He saidhis sister had passed the entrance examination of college and _______ she would go to college in about 20 days.
| A．that；／ | B．that；that | C．／；／ | D．that；which |
A judge has the _______ to send a person into prison.
| A．strength | B．power | C．energy | D．force |
The old men can hardly imagine that they can live in an age _______ most of the daily things are done on the computers.
| A．that | B．which | C．whose | D．when |
The guests are looking forward every moment to _______ to China again.
| A．honor; visit | B．honored; pay a visit |
| C．honored; paying a visit | D．honoring; visiting |
Many students don't want themselves to _______ doing _______ homework.
| A．keep busy; too much | B．be kept busying; much too |
| C．be kept busy; too much | D．being kept busy; too much |