2. 外语
  3. As long as you keep on______hard, you’ll get promoted sooner or later.

As long as you keep on______hard, you’ll get promoted sooner or later.

admin2015-07-17  82
问题 As long as you keep on______hard, you’ll get promoted sooner or later.
选项 A、work
B、be working
C、worked
D、working
答案D
解析 本题考查的是固定搭配keep on doing的用法，意为“继续做……”。四个选项中只有working是动名词形式，故D)为本题的答案。
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