we start lessons at nine o'clock(改为一般疑问句)

问题描述:

we start lessons at nine o'clock(改为一般疑问句)

do we start lessons at 9 o'cloc看? 如果是单数,啧用DOES,这种一般疑问句只要加个助动词就行了,当然个别的除外! 语法书语法书.例句多看看!