onsinEnglish.他告诉我怎样用英语回答所有的问题.9.______________isunknown.何时动身还不知道.10.ot___________.我忘了该怎么办.11.Icantellyou__________________.我可以告诉你哪里可以买到此书.Key:1.Howtodoit2.whattowriteabout3.whomtoserve4.wheretoputit5.howtolearnEnglish6.howtodo7.whattodo8.howtoanswer9.whentostart10.whattodo11.Wheretobuy(get)thisbook三、句子改写,改成“疑问词+不定式”结构1.Howweshoulddoitisaquestion.2.Ireallydon'tknowwhatIshouldwriteabout.3.Wemustfirstsolvetheproblemofwhomweshouldserve.4.Thequestioniswhereweshouldputit.5.IaskedhimhowweshouldlearnEnglish.四、用“疑问词+不定式”完成下列句子.1.Howweshoulddoitwasdiscussedlastnight.___________________wasdiscussedlastnight.2.Ididn'tknowwhereIshouldgo.Ididn'tknow____________________.3.Thedifficultywashowweshouldcrosstheriver.Thedifficultywas_____________________________.Keys:1.Howtodoit2.wheretogo3.howtocrosstheriver