2. 外语
  3. If any difficulties _______ , you can call me for help.

If any difficulties _______ , you can call me for help.

admin2013-11-10  52
问题 If any difficulties _______ , you can call me for help.
选项 A、arise
B、happen
C、occur
D、take place
答案A
解析 arise用于问题、困难、责任、争吵等的发生出现；occur，happen，take place用于事故、事情、变化等发生、产生。
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