问题
选择题
. He is rather difficult to makefriends with, but his friendship, ____, ismore true than
anyother.
A．once gained
B．when to gain
C．after is gained
D．while gaining
答案
答案：A
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. He is rather difficult to makefriends with, but his friendship, ____, ismore true than
anyother.
A．once gained
B．when to gain
C．after is gained
D．while gaining
答案：A