问题
选择题
They want to know ____ do to help the suffering people in the earth-stricken area. [ ]
A. what can they
B. what they can
C. how they can
D. how can they
答案
答案：B
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They want to know ____ do to help the suffering people in the earth-stricken area. [ ]
A. what can they
B. what they can
C. how they can
D. how can they
答案：B