If you hear the fire（）, leave the building quickly.

Readers（）happy endings may find the unvarnished view of...

单项选择题Readers（）happy endings may find the unvarnished view of modem mother-hood a bit unsettling.

The explorer told the boys about his（）in the African fo...

单项选择题The explorer told the boys about his（）in the African forests.

In Hong Kong, doctors reported that, for unclear reason...

单项选择题In Hong Kong, doctors reported that, for unclear reasons, 12 recovered $ARS patients had（）weeks after they had been discharged-spurring fears that people might be infectious even after they'd left isolation.