The bus broke down 对划线部分提问

The bus broke down 对划线部分提问 my dad's car broke down yesterday对划线部分提问(划线部分为break down) Tom broke the glass just now对划线部分提问 They are taking the bus.(对划线部分提问)划线部分taking the bus They are waiting for the bus?划线部分为：waiting kor the 对划线部分提问 The teacher cleaned the bus.对划线部分提问,被划线的是bus,请问该用什么提问? 对We go to the zoo on a bus提问.划线部分是on a bus l'm going to the park by bus.(对划线部分by bus提问) The thief is standing at the bus stop.(对划线部分提问）划线部分是at the b We sat at the back of the bus . 对划线部分提问 划线部分是：at the back of The students are waiting for the school bus对划线部分提问 划the scho 1.My walkman broke down（对broke down提问） ------- --------- ---