题目内容
（请给出正确答案）
A、cooperating
B、coordinating
C、communicating
D、operating
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更多“A number of countries are ____…”相关的问题
A．content with their life
B．satisfied with their life
C．gaining access to other countries
D．taking more foreign holidays
A.Omega Order number or Order number
B.PO number
C.Offer number
D.Tag number
A number of people _______ at the street corner.
A、am
B、is
C、are
D、be
(A number) of these (who) (study) engineering is improving (steadily).
A．A number
B．who
C．study
D．steadily
A．were, was
B．was, was
C．was, were
D．were, were
