Do you think exercise can keep us ________？
| A．well | B．good | C．fit | D．fine |
Mr. Black must be worried about something. You can________it from the look on his face.
| A．reason |
| B．recognize |
| C．read |
| D．realize |
When the lawyer asks you questions about the case, you should be________.
| A．on duty |
| B．on guard |
| C．on purpose |
| D．on watch |
—How many days are there in February?
—________thirty days.
| A．No more than |
| B．Not more than |
| C．More than |
| D．Nothing than |
Tom is________a common worker. How disappointed his parents are to see he hasn't gained great achievements!
| A．more than |
| B．no more than |
| C．not less than |
| D．no less than |
A writer cannot write good works without practice________more than a director can direct excellent plays without experience.
| A．any |
| B．no |
| C．not |
| D．much |