---I am sure you met Alice at the party last week.---I don’t remember her. What ______ she ______?
---- There are lots of spelling mistakes in your composition. ----- You _____ be joking ! I checked it several times before handing it in.
It is hoped that there will be ____ time in the future when ____ man can beat all diseases.
---- I’m terribly sorry for breaking the vase, Julia. ---- ______, Jack. After all, you didn’t do it on purpose.
After we boarded the boat, it went on down the river, stopping ____ to take people in.
. The year 2003 ____ a wild spread of SARS, a disease people knew little about at that time.