3. she usually finishes her homework at nine in the evening .(对划线部分提问)4.we want to play in the next world cup.(对划线部分提问) 5.he does his homework every day. (改为否定句) 6 it's half past eight。(对划线部分提问)7.there are three toy boats on the table.(改为单数形式)8.there are thirty students in our class.(对划线部分提问)怎么做啊,跪求!!在线等!