关于Wehavefriendstohelpu的百科

• Wehavefriendstohelpusfightagainstpollution,andtreesareo...

• 问题详情：Wehavefriendstohelpusfightagainstpollution,andtreesareoneof________.A.themselves             B.they     C.their          D.them【回答】D知识点：人称代词题型：选择题...
• 2020-10-3020580