31．With the cell phone available, I can do whatever I want to do and stillin touch with my

发布时间：2020-08-16 06:31:41


31．With the cell phone available, I can do whatever I want to do and still    in touch with my parents and friends．
A. stay
B. to stay
C. staying
D. Stayed

网友回答

(答案→)A. stay
B. to stay
C. staying
D. Stayed
解析：D
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