22．――Whose book is this? ――It isn’t mine．It’s ．I think．A．her B．your C．his D．their23――I’m the children because it’s time for supper．A．1ooking at B．1ooking up C．1ooking for D．1ooking after 【查看更多】

 

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——Whose book is this?

——It isn’t mine．It’s          ．I think．

A．her                      B．your                    C．his                         D．their

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