用 joined, joined in 填空:Soon some of the teachers ______ the singing.Some of us decided to _____ the strike.Everyone there ______ the conversation. 除写出答案,也请分析一下原因。 如题
PREP You use of to combine two nouns, or a noun and a present participle, when the second noun or present participle defines or gives more information about the first noun. 用以连接2个名词或1个名词和1...
说do ones homework是固定搭配,其中的物主代词不可以省略。如以下各句中的his, my是不能省略的:He did his homework with a ballpoint. 他用圆珠笔做了家庭作业。I have almost finished my homework. 我的家庭作...