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[主观题]
When Anna___________ the room,a group of young men were talking eagerly round the tableA.e
When Anna___________ the room,a group of young men were talking eagerly round the table
A.enters
B.has entered
C.was entering
D.entered
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When Anna___________ the room,a group of young men were talking eagerly round the table
A.enters
B.has entered
C.was entering
D.entered
A.when his son had come home
B.when his son has come home
C.when did hls son come home
D.when his son came home