摘要： He is rather difficult to make friends with. but the friendship of his. .is truer than any other． A．once gained B．when to gain C．after gained D．while gaining
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He is rather difficult to make friends with，but the friendship of his，once ________, is more true than any other．
- A.gained
- B.to gain
- C.having gained
- D.gain
He is rather difficult to make friends with，but the friendship of his，________，is more true than any others'.
A．once gained B．when to gain
C．as gained D．while gaining
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He is rather difficult to make friends with， but the friendship of his，______ ，is truer than any other．
A．once gained B．when to gain C．after gained D．while gaining
查看习题详情和答案>>