题目
--Why don\’t you go out to play,Brian?
--I\’m afraid I can\’t.I have much homework .( )
A.
do
B.
doing
C.
did
D.
to do
知识点:不定式章节:词法 / 动词
--Why don\’t you go out to play,Brian?
--I\’m afraid I can\’t.I have much homework .( )
do
doing
did
to do
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