this problem has been solved ,it __any moreA needs discussing B needs to be discussed C needn't being discussed D doesn't need discussingneedn't后面不是只能加动词原形吗?

It difficult for him to solve this problem alone.改同义句 He has ( ) ( ) this problem ( ) ( ) 英译中 This problem has been viewed 482 times You should visit this part of the country when ___ A. spring will com B. spring comes C. It has bee 这个句子,是现在完成时态吧?This problem has beaten me.这个问题难住了我. He has no trouble working on this problem,句子中为什么用 no,为什么用 on? To our __(surprise),the__(important) of this problem has not been known To help with this problem,the yogurt shop has been creative. 的意思 翻译：他算出这道数学题有些困难He has some ________ _________ _______ this math problem people don't realize how _________(serious/seriously)this problem has actually been This problem involves has behaviour at school in the last two years a problem has been detected and windowsA problem has been detected and windows has been shut down to prevent damage to your computer. The problem seems to be caused by the following file :Tessafe.sysDRVER_LEFT_LOCKED_PAGES_IN_PROCESSIf this is the f Most likely causes:The problem report for this solution has been deleted or changed on this comput this is a （ ) problem he has a bee in his head 急用 A lack of resources has become a big problem for this country.以A lack of resources has become a big problem for this country.为题写一篇120词左右的作文. The problem (whether) this material can be used in our factory has not been solved.这是什么从句? Water shortage in this area will be a serious problem to the people,_much has been done. 用A lack of resources has become a big problem for this countrystress写篇英语作文,150字左右!