问题
选择题
Mike didn't ________ his parents and friends _ , he won the first in the competion. [ ]
A. let; down
B. make; happy
C. keep; clean
D. make; down
答案
答案：A
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Mike didn't ________ his parents and friends _ , he won the first in the competion. [ ]
A. let; down
B. make; happy
C. keep; clean
D. make; down
答案：A