When I entered the forest I heard someone _ for help in the distanceA.to be crying B.to cry C.cried D.crying

When I entered the room,the problem _______(discuss). when i entered the classroom,the students _abouttheir marks.(talk) 英语翻译when　i　entered　the　room,tom　was　deep　in　his　novel.和when　i　have　entered　the　room,tom　was　deep　in　his　novel. when i entered the room,i was surprise to see anake on my bed.改错 that was___ I was thirteen I entered the No.1 Middle School 为什么不能用when Hardly had I entered the room when the telephone rang的翻译 (1/2)When I entered the classroom,the teacher announced we were going to (1/2)When I entered the classroom,the teacher announced we were going to Dad looked up from his paper and smiled when i entered the living room.翻译 I entered the room when they were taking happy.这句子对吗, NObody but three students___in the classroom when I entered.A is B was C areD were 英语时态When i entered the lab,she_______(make) an experiment. Hardly ______ the room when he told me the secretA,I entered B.I had entered C .did I enter D .had I entered及这种倒装句的结构 When I entered the room I found the cup __ (break)on the table 详细解答呀 谢谢了 When i entered the room,i found the boy_______TV a.watching b.was watching.怎么选为什么. When I entered the room,I found her ___ (write) something.时态填空,请写出原因谢谢! i didnit want to meet paul so when he entered the room i left为什么用left 不用have left That was____ I was thirteen I entered the NO.1 Middle SchoolA.why B.when请问为什么选b啊