We don’t have to debate on one thing, that is, a healthy diet means balanced nutrition

We don’t like Professor Smith’s class,but we have to（)it in order to graduate.A live wit

If these new methods don’t work，we’11 have to__________our old system．A.fall through###SXB

Mental health is our birthright. （46) We don’t have to learn how to be mentally healthy ;i

We ___ the time to play chess.A、don’t haveB、not haveC、no haveD、does have

一Shall we have something to eat before we go？－－－ ____？A.Nice to meet youB.I don’t think

—Hey! Bob, don ’t you think we should have a rest？ — ___ .A、Don’t mention itB、Sound good