sit down 和 put on 反义词是什么

stand up
take off将句子改成否定句，一般疑问句，肯否定回答，特殊疑问句 let us go for a barbecue today.Don't let us go for a barbecue today.Will you let us go for a barbecue today?Yes, I will.Sorry, I won't.What will you let us do?句子改成否定句，疑问句，肯否定回答，特殊疑问句 lt is to be cloudy this weekend. tolt isn't to be cloudy this weekend, either.Is it to be cloudy this weekend, too?Yes, it is.No, it isn't.What's the weather to be like this weekend?