they want to help() a.we b.us c.our there ()many people in the park a.am b.is c.are
问题描述:
they want to help() a.we b.us c.our there ()many people in the park a.am b.is c.are
答
they want to help() a.we b.us c.our there ()many people in the park a.am b.is c.are