问题
选择题
—Why didn't you arrive there until three days later?
—Because the heavy rain _____ the difficulties of the journey. [ ]
A. added
B. added to
C. was added
D. was added to
答案
答案：B
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—Why didn't you arrive there until three days later?
—Because the heavy rain _____ the difficulties of the journey. [ ]
A. added
B. added to
C. was added
D. was added to
答案：B