关注微信公众号《课帮忙》查题 关注微信公众号《课帮忙》查题 关注微信公众号《课帮忙》查题 关注微信公众号《课帮忙》查题 关注微信公众号《课帮忙》查题 关注微信公众号《课帮忙》查题 公告：维护QQ群：833371870，欢迎加入！公告：维护QQ群：833371870，欢迎加入！公告：维护QQ群：833371870，欢迎加入！ 2022-06-05 You ________ clean that room. It is very clean now. You ________ clean that room. It is very clean now. 答案： 查看 举一反三 You ________ clean that room. It is very clean now. A: must B: have to C: need to D: don’t need to ---Must I clean the room now? --No, you __________. __________ to clean the room now. Must we clean the house now? No, you _______. The river ______ very clean ten years ago, but now it is polluted.
