— Did you happen to see _______ black and _______ white cat?
— Are they missing? I told you to take care of them.
| A．a; 不填 | B．the; 不填 |
| C．the; the | D．a; the |
相关试题
_____ I admit that there are problems, I don't' think that they cannot be solved.
| A．Unless | B．Until | C．As | D．While |
Jane was asked a lot of questions, but she didn’t answer of them.
| A．other | B．any | C．no ne |
D．some |
-------John and I will celebrate our fortieth wedding anniversary next month.
--------Oh, _________!
| A．cheer up | B．well done | C．go ahead | D．congratulations |
As your instructor(教师) advised, you ought to spend your time on something ____ researching into.
| A．precious | B．worth | C．worthy | D．valuable |
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