(2012年重庆联合诊断性考试)It is rather difficult to make friends with him,but his friendship,________,is more true than any other's.
A.once gained |
B.when to gain |
C.after gaining |
D.while gaining |
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(2012年重庆联合诊断性考试)It is rather difficult to make friends with him,but his friendship,________,is more true than any other's.
A.once gained |
B.when to gain |
C.after gaining |
D.while gaining |