单项选择题


A．didn't meet
B．haven't met
C．didn't know
D．haven' t known
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单项选择题
A．I have left the homeB．I leave from homeC．leaving homeD．to leave home
A．I have left the home
B．I leave from home
C．leaving home
D．to leave home
单项选择题
A．had been workingB．will go to workC．is going to workD．was going to work
A．had been working
B．will go to work
C．is going to work
D．was going to work
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