单项选择题

A．learnt
B．learned
C．learning
D．learn
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单项选择题
A．asB．tillC．overD．out
A．as
B．till
C．over
D．out
单项选择题
A．This conversation was at the airport.B．They were eating lunch and talking in a restaurant.C．This took place in a college information office.D．They were at the dean’s home.
A．This conversation was at the airport.
B．They were eating lunch and talking in a restaurant.
C．This took place in a college information office.
D．They were at the dean’s home.
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