问题
选择题
Sam is only nine, but he can _____ his sick mother very well. [ ]
A. look after
B. look at
C. look for
D. look out
答案
答案：A
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Sam is only nine, but he can _____ his sick mother very well. [ ]
A. look after
B. look at
C. look for
D. look out
答案：A