Sonia didn't come to the party because s_爱下问搜题

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问题选择题

Sonia didn't come to the party because she was ______ with her homework. [ ]

A. busy

B. different

C. angry

D. famous

答案

答案：A

选择题

The majority of the students ____ to the teacher attentively. [ ]

A. are listening

B. is listening

C. are listened

D. is listened

单项选择题

向培养基中加入水果汁培养酵母菌，此培养基属（）

A、基础培养基

B、加富培养基

C、选择培养基

D、鉴别培养基