The students didn't manage to work outthe problem ______their teacher had explained how.为什么不是unless而是until

many students didn't pass the english exam.many students ___ ____the english exam. 5.the teacher didnt mind(help)_____ the students in her spare time. 英语翻译The professor’s name didn’t register with the students.重点解释register这个词. Those students didn*t have a good time in the park改为同义句Those students didn*t__ __in the park students,what,wanted,some,didn't,future,be,they,know,in,the,to 连词成句 ________(尽管)the students were tired ,they didn't stop walking. Many students didn't realize the importance of study__they left school The students,( ) at the way the questions were put,didn't know the answers to them.B surprised CThe students,( ) at the way the questions were put,didn't know the answers to them.B surprisedC their being surprised The English teacher was anger because h the students didn't pass the exam中间那个h是什么单词 the students,____at the way the question was put,didn't know how to answer it.1.surprising2.surprised None of the students arrived on time,_______?A.did he B.didn't he C.did they D.didn't they Few of students passed the Math exam on Tuesday,didn't they?_____,_____.A.Yes,they didB.No,they didn't After the students arrived at the World Park,they didn't feel bored any more 改为同义句 The teacher didnt mind (help) _____ the students in her spare time.mind 后还可跟 to , 19.The students didn’t manage to work out the problem ______ their teacher had explained how. All the students didn't see the teacher come in.They went on ().A.talking B.to talk A few students didn't pass the exam in our class的同意句A few students _______ the exam in our class The students stood there and didn't know what they should do next.=The students stood there and didn't know _____ _____ do next.是how 还是what