题目内容
—Do:you often see William _ __ _ on the playground?
—No, but he is often seen _____ Chinese kung fu in the park.
—No, but he is often seen _____ Chinese kung fu in the park.
[ ]
A. run, do
B. run, to do
C. running, do
D. running, to do
B. run, to do
C. running, do
D. running, to do
B
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