【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,