It is ___ that the work should be processed in time.
| A．vital |
| B．good |
| C．well |
| D．hard |
Only after they had discussed the matter for several hoursa decision.
| A． |
they reached |
B． |
did they reach |
C． |
they reach |
D． |
do they reach |
Before a problem can be solved, it must be obvious ______ the problem itself is.
A. what B that C which D why
It is the most instructive lecture that ________since I came to this school.
A attended B had attended C am attending D have attended
Do you wake up every morningenergetic and ready day?
A feel B to feel C feeling D fell
No one ________ be compared with Yao Ming in playing basketball.
A can B need C must D. might