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题目内容
（国家开放大学理工英语3（贵州））
We must put _____ into practice.
单选题 (10 分)
A.
what we have learned
B.
that we have learned
C.
that have we learned
单选题 (10 分)
A.
what we have learned
B.
that we have learned
C.
that have we learned
参考答案