动词填空,帮我哩.
1、Wedonothaveenoughtime()(do)alltheextrawork.
2、Theboydidnotpaymuchattentiontotheexercisesandhe()(fail).
3、Itwasveryfoggy,andsoonthetwomencouldnot()(see).
4、Wehavedecidednottogo.Itisadifficultdecision,butwe()(notchange)ourminds.
5、Sheispatientandshecanspendasmuchtimeasshecan()(explain)thingstoherstudents.