87.It is not until they lose it..强调句的基本结构是：Itis/Was.that /who 88.with dirty clothes with(without).引起的状语结构+买 89.with so many friends being absent 90.what impressed us most 91.not as powerful as those we have made astadj.+as87.It is not until they lose it. 强调句的基本结构是: It is/ was ... that /who 88.with dirty clothes with (without) 引起的状语结构 + 买 89. with so many friends being absent 90. what impressed us most 91. not as powerful as those we have made as+adj.+as