问题
选择题
Whenever we need him, he always does as much as he can ____ us whole-heartedly. [ ]
A. help
B. to help
C. helping
D. helps
答案
答案：B
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Whenever we need him, he always does as much as he can ____ us whole-heartedly. [ ]
A. help
B. to help
C. helping
D. helps
答案：B