How did you work out this very____physics problem last week,Liz?By_______A.easy;worked on my own B.difficulty;doing an experimentC.hard;ask my friends for help D.difficult; working with my deskmate我的想法是difficult修饰problem,所以选D

father asked me “how did you work out the problems?”改为间接引语 How did you benefit from the work? how did you work out the math problem?A.to ask the teacher for help B.because theteacher helpe How long ___ it ___ you to work out such a difficult problem?A、did,take B、does,take C、did,cost Can you show me____?A.what to work it out B.whawhat to work out it C.how to work it out D.how to work out it how did you feel when some one out the tret? how did you find out his telephone number.翻译 —How did you finish your work so quickly?—Mr Wang's suggestion ________ fine.A.worked on B.worked out C.worked well D.worked at The teacher did not tell us how we could work it out.同义句 This problem is too difficult.Can you show me ____________________?A.how can I work it out B.how I can work it out C.how to work out it D.how can I work out it he did not know how to work out the probblemshe did not ____ _____ _____ _____out the problems he did not know how to work out the probblemshe did not ____ _____ _____ _____out the problems How long () it () you to work out such a difficult problem?A.did…take B.does…take C.did…cost可是为什么不选A,应该要用一般过去时啊!还有个答句：About thirty minutes. 1.( ) did you work there?There years.A.How many B.How far C.How often D.How long how do you keep fit?i keep working out every day为什么填work out 不填work hard? How did you go how much did you How did you sleep?