As a businessman, never leave home __________ a business card.
A. with
B. for
C. wothout
D. by
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You'd better take good care _______ your eyes.
A. of
B. for
C. with
D. at
Business cards are a useful marketing tool, and an easy one to have _______ you at all time.
A. without
B. with
C. for
D. in
Ask your network to network with you and for you also _______ handing out a few.
A. with
B. about
C. to
D. by
第三次(第二次)工业革命,则使人类的战争借助于内燃机技术而转变为机械化战争时代,这就造成了新的军事革命。
A. 对
B. 错