问题
选择题
She often ______ little brother ______ his homework. [ ]
A. helps; doing
B. helps; do
C. help; to do
D. helps; does
答案
答案：B
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She often ______ little brother ______ his homework. [ ]
A. helps; doing
B. helps; do
C. help; to do
D. helps; does
答案：B