初一英语题1.Dinosaurs all died out suddenly.（改为一般疑问句） ____ dinosa

初一英语题
1.Dinosaurs all died out suddenly.（改为一般疑问句）
____ dinosaurs all ____ out suddenly?
2.There are over 50 students in our class.
There are ___ ___ 50 students in our class.
3.My friend bought me a watch.(改为同义句)
My friend ____ a watch ____.
4.我哥哥在一家工厂上班.与此同时.他还在夜校里学英语.
My brother works in a factory.___ ___ ___, he studies English at a night school.
5.恐龙早在人类之前就存在了.
Dinosaurs _____ before _____ _____.