Josephwasverylucky____withhislife;healmostdidnotgetoutoftheroom.
A、toescapeB
「句意」 约瑟夫幸运地逃了性命;他险些没从房间里逃出来。
「难点」 to have escaped 是不定式的完成式，表示过去的某一动作业已x 完成。
ProfessorJohnsonissaid_____somesignificantadvanceinhisresearchinthepastyears.
Ifasubstanceisdissolvedinwaterorheated，itmay（）agas.
Thebackgardenofourhousecontainsalawn，____verypleasanttositoninsummer.
Heresented_____towait.Heexpectedtheminister_____himatonce.
_____ifIhadarrivedyesterdaywithoutlettingyouknowbeforehand.
