“He goes to work by subway. ”同义句是_____
A. He goes to work on the subway.
B. .He takes a taxi to work .
C. He works at the subway station.
D. He goes to work by bus.
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Don't worry.We're old enough to look after _______.
A. myself
B. me
C. ourselves
D. us
When I walked past the park,I saw some old people ______ Chinese Taiji.
A. do
B. did
C. doing
D. aredoing
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