We___middle school students Aall are Bare all Call Dbe

We___middle school students Aall are Bare all Call Dbe I,Bill,students,high,are,Sam,school,all,and Lucy and her sister are all high school students. 改错 The students all are in school now. look,() students are happy at school A.the all B.all the C.t (All the students )are back at school.对括号里提问. （ ）are back at All the students are back at school.句中at能否换成to?为什么? All the students in our school are Chinese except Tom.(改为同义句 All the students are here__Paul.He didn’t come to school tod All the students are back at school on the first day of the All the students in our school are cleaning now中clean是及物动词吗? are all the students back at school?is there a new building?