摘要： Little as he is, Tom, like his parents, others who are in need. A. are always helping B. has always helped C. is always helping D. have always helped
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Little as he is, Tom, like his parents, ______ others who are in need.
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A. is always helping
B. has always helped
C. are always helping
D. have always helped
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B. has always helped
C. are always helping
D. have always helped