问题
选择题
It was the training _____ he had as a young man _____ made him such a good engineer.
A．what; that
B．that; what
C．that; which
D．which; that
答案
答案：D
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It was the training _____ he had as a young man _____ made him such a good engineer.
A．what; that
B．that; what
C．that; which
D．which; that
答案：D