问题
选择题
The engineer spoke highly of the government's efforts, _____ he owed his safe return from Libya. [ ]
A. through which
B. to which
C. with whom
D. for whom
答案
答案：B
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The engineer spoke highly of the government's efforts, _____ he owed his safe return from Libya. [ ]
A. through which
B. to which
C. with whom
D. for whom
答案：B