87．You must get to the station before 3，__________(否則你會(huì)趕不上火車)．
88．No one had told Smith about__________(第二天有一場(chǎng)講座)．采集者退散
89． __________(無(wú)論他是否被邀請(qǐng)參加)，he was there to celebrate Wu You’s birthday．
90．The committee say at the conference that by the year 2020,scientists probably__________ (將發(fā)現(xiàn)治療癌癥的方法)．
91．I have been living in the United States for twenty years，but seldom __________
(像現(xiàn)在這樣感到如此孤獨(dú)過(guò))．
88．No one had told Smith about__________(第二天有一場(chǎng)講座)．采集者退散
89． __________(無(wú)論他是否被邀請(qǐng)參加)，he was there to celebrate Wu You’s birthday．
90．The committee say at the conference that by the year 2020,scientists probably__________ (將發(fā)現(xiàn)治療癌癥的方法)．
91．I have been living in the United States for twenty years，but seldom __________
(像現(xiàn)在這樣感到如此孤獨(dú)過(guò))．