相关试题
When I walked past the park，I saw some old people Chinese Taiji．（ ）
A．doB．didC．doingD．are doing
B．
C．
D．
It's too hot today．
Yes． Why don't you your jacket？（ ）
A．put onB．put upC．take offD．take after
Students in our school ________ know shouting is not allowed in the library．（ ）
A．canB．mayC．mustD．need
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