It is sad to see him go because it really will______ the way we conduct our daily affairs.
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Over the desk was a______ of the President, probably painted in his thirties.
An invitation to have dinner together is usually treated as a means of achieving______ with another person in eastern culture.
If_____, we’ll continue our experiment after office hours.
A. being necessary
B. be necessary
C. is necessary
D. necessary
-Do you think it’s going to rain over the weekend? - ________.
A. I don’t believe
B. I don’t believe it
C. I believe not so
D. I believe not