问题补充：
Saying “hello” to somebody today can a new friend tomorrow.
A. hand in
B. result in
C. lie in
D. lead in
答案：
A. hand in
(答案→)B. result in
C. lie in
D. lead in
解析：考查短语辨析。hand in 上交，result in 导致，lie in 在于，句意：今天向某人说：“你好”名天就可能产生一位新朋友。所以选B。
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