【1.Theyhavenochoicebut____.A.liveonbreadB.livebybreadC.toliveonbreadD.tolivebybread2.Nowweshoulddoallwecan____theGreatwall.A.topreventB.topreserveC.protectD.protest3.It'snogood____.A.wastealotoftimeonnothingB.to】

　　1.Theyhavenochoicebut____.

　　A.liveonbreadB.livebybreadC.toliveonbreadD.tolivebybread

　　2.Nowweshoulddoallwecan____theGreatwall.

　　A.topreventB.topreserveC.protectD.protest

　　3.It'snogood____.

　　A.wastealotoftimeonnothing

　　B.towastealotoftimeonnothing

　　C.wastingalotoftimetocomplain

　　D.wastingalotoftimecomplaning

　　4.____theprogramme,theyhavetostaythereforanother2weeks.

　　A.NotcompletingB.NotcompletedC.NothavingcompletedD.Havingnotcompleted

　　5.though___money,hisparentsmanagedtosendhimtouniversity.

　　A.lackedB.lackingofC.lackingD.lackedin

　　6.thebell__theendoftheperiodrang,___ourheateddiscussion.

　　A.indicating;interruptingB.indicated;interruptingC.indicating;interruptedD.indicated;interrupted

　　这些题,,选什么,为什么选这个,还有其他选项为什么不对,