David has tried twice in the exam,but he still wants to try_ time.A.there B.a third C.third D.one third选什么?

David has tried twice in the exam,but he still wants to try_ time.A.there B.a third C.third D.one third选什么? twic as difficult … every possible means_____.A.has tried B.has been tried C.was tried D.were tried为什么选B Every means has been tried since More than one means has been tried. David has a goal 改成一般疑问句 david has no time for school的同义句回答是 David has ( ) ( ) ( ) ( ) ( ) ( ) Every means _but without much result.A.have been tried B.has been tried C.have tried D has tried.选哪个,为什么? 7.All possible means __________ to save the hero.A.has tried B.have tried C.has been tried D.have been tried the write is David ,he has written many wonderful characters the writer ______is David 定语从句 David has a stamachache 的同义句 There is ___ ____ ____ David's stomach. 英语翻译还有Every means has been tried since then. Yiwen has tried western food in a hotel in Nanjing . our government has tried its b___ to solve these problems David has some chinese friends.（改为一般疑问句）【急~】 David has got a goal改为一般疑问句 David has got a goal (改为一般疑惑问句） David has already finished his work(改为否定句）