An interesting suggestion for measuring the atmosphere around Mars has been _________, thus leading a heated discussion among the scientists.
| A．come up | B．put forward | C．swept up | D．accused of |
-You have to believe in yourself. No one else will, if you don't.
-. Confidence is really important.
| A． | It's not my cup of tea | B． | That's not the point |
| C． | I don't think so | D． | I couldn't agree more |
The dog may be a good companion for the old. _______, the need to take it for walks may be a disadvantage.
| A．Besides. | B．However | C．Therefore | D．Instead. |
You were working too hard. You’d better keep a ________between work and relaxation.
| A．promise | B．lead | C．balance | D．diary |
The letters for the boss___________ on his desk but he didn’t read them until 3 days later.
| A．were put | B．was put | C．put | D．has put |
-Can I have a day off tomorrow, Mr. Johnson?
-.I can manage without you.
| A． | Forget it | B． | I'm afraid not | C． | It depends | D． | Of course |