一、写出下列名词的复数形式class_3、monkey_4、piano_5、child_6、shelf_7、bed_8、country_9.family_10.toy_11、foot_12、radio_13、photo_14.tomato_15.woman_16.knife_17sheep_18.ship_19.dish_20mouse_二、用所给的单词的复数的正确形式填空：1.Therearethree_(chair)intheclassroom.2.These_(tomato)arered.3.Mybrotherlooksaftertwo_(baby)4.Myfatherlikestoeat_(meat).5.Chinese_(people)liketoeatnoodles.6.Ihavealotof_(toy)inmybedroom.7.Mymotherwash_(dish)inthekitchen.8.Ihavetwo_(pencil-box).9.Therearesome_(bus)inthestreet.10.Monsterhaseight_(foot).