问题
选择题
Tony often volunteers in the hospital. He thinks __________ others __________ great.[ ]
A. help, is
B. helping, are
C. helps, is
D. helping, is
答案
答案：D
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Tony often volunteers in the hospital. He thinks __________ others __________ great.[ ]
A. help, is
B. helping, are
C. helps, is
D. helping, is
答案：D