来证规定装运期限为“before 12th May,2001”,应理解在2001年5月12日或以前装运。()
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______your book, and do this work first. You may read it later.
A. Put out
B. Put away
C. Put up
D. Put on
The number of people invited______ fifty, but a number of them ______ absent for different
A. were, was
B. was, was
C. was, were
D. were were
We will firmly improve social security and rectify the polluted and disorderly environment
We have done a lot of trade with your company for the past five years.