they are good friends of ours.our为什么加s

they are good friends of ours.our为什么加s They are our good friends改为复数 Lucy is good ( )dogs.She think they are our friends.为什么这样做? they are good friends 2.He is a good friend of ( ).A.our B.our's C.ours animals are our good friends Some of ______(they)are my good friends those are green jeeps.改成单数形式 they are our good friends are t They are not only our teachers but also our good friends的同义句 they are good friend 朋友加s 还是不加? Let's (are) good friends let's (are)good friends