they are Customs officer.就划线部分提问.划线部分为海关官员

they are Customs officer.就划线部分提问.划线部分为海关官员 they are passports.就划线部分提问划线部分为passports They are （my） good friends.就划线部分提问 they are going to the zoo 划线部分：to the zoo 就划线部分提问 they are my two brothers就划线部分提问,划线部分是my two brothers They are (books)对划线部分提问 They are twins划线部分提问 They are black?对划线部分提问. They are bananas.(对划线部分提问)划线部分为bananas They are waiting for the bus?划线部分为：waiting kor the 对划线部分提问 They can see five lions there.（就划线部分提问） 划线部分为 see they are leaving for BeiJing划线提问划线部分BeiJing