问题
单项选择题
（）it easier to get in touch with us, you，d better keep this card at hand.
A. Made
B. Make
C. Making
D. To make
答案
参考答案：D
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（）it easier to get in touch with us, you，d better keep this card at hand.
A. Made
B. Make
C. Making
D. To make
参考答案：D