摘要： I spent the morning trying to the documents I needed. A．round up B．round off C．round out D．round on
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I spent the morning trying to ________ the documents I needed．
[ ]
A．round up
B．round off
C．round out
D．round on
I spent the morning trying to ________ the documents I needed．
[ ]
A．round up
B．round off
C．round out
D．round on
I spent the morning trying to ________ the documents I needed．
[ ]
A．round up
B．round off
C．round out
D．round on