I am unable to attend the meeting because of a ___ _engagement. [ ]A. go

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I am unable to attend the meeting because  of  a ___  _engagement.  [     ]
A. good
B. previous
C. later
D. tiring

答案

举一反三

We don"t know what to do next because the plan is still_     .[     ]
A. certain
B. uncertain
C. sure
D. known

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If you are still____ of your legal rights, you can have a talk with the lawyer.    [     ]
A. certain
B. sure
C. uncertain
D. unknown

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The meeting has been on for five hours and the plan of our activity is still____.[     ]
A. uncertain
B. known
C. certain
D. sure

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I want to know the         owner of the house and ask for information about it.    [     ]
A. previous
B. later
C. late
D. front

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Much to our surprise, his new book became an___    _ success.    [     ]
A. instant
B. instructive
C. interesting
D. inexpensive

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