____the students had to go to bed.我填的是 the lights had gone out正确答案是the lights having gone out为什么呢 请解释一下 谢谢

All the students had to recite the text.（改为否定句）____ ____the students ____ _____recite the text. What ___you____?we had beef and potatoes. The students are all busy ____the exans.The students are all busy ____the exans.a.getting ready forb.getting ready toc.to getting ready ford.to get ready for ____the students had to go to bed.我填的是 the lights had gone out正确答案是the lights having gone out为什么呢 请解释一下 谢谢 The students are talking ____the cartoon _____class Our school had to ____the soccer games because of the bad weather ,which made students frustrated.A put on B put off C put up 21详解 ____the problem to other students.A.To explain B.Explaining The students are ___ ___ ____the coming exam. many students didn't pass the english exam.many students ___ ____the english exam. The students are planting trees _on__the__hills_ now.(对画线部分提问) ____ ____the students plantin 1,The teacher ____the students ____the passage in the class.made ,to write Bhad,written Chad ,write Dmade ,wrote A total of 34 students ____the examinationtotal of 34 students ____the examination.选项:a、took partb、went offc、went in ford、went out The students had a school trip yesterday. The students had a terrible school trip. Many students asked the teacher ____the time of the test.A.for B.to C.about It seemed that you had read the book.=You ____ ____ ____ ____the book. No sooner had they reached the station ____the train left.这是个什么性质的句子 she said ____the man ____had robbed the bank had long hair.填who或that dale had a good time ____the school trip.a:on b:at c:in d:of