问题描述：
9.Now her lost books are usually______ the library.
A .returned B .returned to
C.paid D.paid to
10.My hobby is ______all kinds of coins.
A.to collect B.collecting
C.to pick up D.picking up
并写一下为什么选你们说的答案
A .returned B .returned to
C.paid D.paid to
10.My hobby is ______all kinds of coins.
A.to collect B.collecting
C.to pick up D.picking up
并写一下为什么选你们说的答案
问题解答：
我来补答展开全文阅读