完形填空：Dave was a manager ni an office.one day,the head of the office,mr smith,
told Dave that they had to make s__ go away from the office.it could be Jack or Eric.
Dave l__at mr smith and said," Eric is the best worker ,but jack has a wife and three c___,i don't know who should leave.
“i'll tell you w__ to do.Frie the one who comes to work f__tomorrow,mr smith said.
the next moring,dave w__for them in the office.as a resault,eric was the first to come .dave felt s__for him.he said ,"eric,i have a problem now."