以LET'S或LET US开始的祈使句如何变一般疑问句
open the window 变一般疑问句
let's go out for a walk 变一般疑问句
let us clean the classroom!变一般疑问句
let her empty the trash 变一般疑问句
let's play the chess!变一般疑问句
let them do the dishes!变一般疑问句
answer the phone 变一般疑问句