已知a=50;ch1='A';ch2='a';表达式a+=++ch2-ch1的值
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When I agreed to go skydiving, I had no idea what I had let myself (). Now I’m terrified!
A. in for
B. on for
C. of for
D. for in
The difficulties I found were not just rooted ( ) language, though.
A. at
B. on
C. of
D. in
His abrupt manner ( ) many of his classmates so he had few friends.
A. delighted
B. alienated
C. affected
D. attracted
It is a good idea to be friendly and ( ) with as many different people as possible when studying abroad.
A. hang out
B. fight
C. argue
D. socialize