----Remember to turn off the lights when you leave the classroom.---- _____________.A. It doesn’t matterB.OK, I willC. You are welcome
---What’s this _____ English? ---It’s an eraser.
Two and four is________.
--- What’s this, Xiao Hong?— It’s _____ orange.
Must we sweep the floor right now? No, you _______. You can do it later.
Excuse me, may I ask you some questions, Jane? OK, _______.