复合句You’d better begin the preparations now and the most important thing is to checYou’d better begin the preparations now and the most important thing is to check ______ the laboratory can be used for the tests.A.where B.when C.what D.that

英语翻译you'd better ( ) ( ) ( ). You'd better know You'd better know it 英语翻译You'd better not. 是you'd better not you'd better know your you’d better not come you'd better 等于什么? You'd better( )it today you’d better __________________________________ (下定决心). You'd better( )it today? I think you'd better you'd better.=you had better吗?为什么? You'd better go there for____(you). you'd batter也能说成you better吗? You'd better中的'd是什么意思? You'd better中的'd是什么意思? you'd better是you would better还是you had better的缩写?两者什么区别? 复合句You’d better begin the preparations now and the most important thing is to checYou’d better begin the preparations now and the most important thing is to check ______ the laboratory can be used for the tests.A.where B.when C.what D.that