题目内容
Not only_______know the theory, but also_______learn how to apply it in practice.
| A.should we; should we | B.we should; we should |
| C.should we; we should | D.we should; should we |
C
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题目内容
| A.should we; should we | B.we should; we should |
| C.should we; we should | D.we should; should we |