2017四年级上册英语寒假作业答案 15 ACBAB(A) 610 ACBBC(B) 1115 YYNYN(A) 1620 CBCAA(B) 2125 YNNYN26.box 27.pencils 28.them 29.sing 30.sad(A) puter 32.nurse 33.cake 34.hot 35.plane(B) 36.is singing 37.rain 38.leaves 39.go to bed 40.having a holiday / on holiday / on vacation(C) 41.The girl cant hear the music.42.What are you going to do?43.Are there ten rulers in the pencil case?44.What a nice day it is!45.How many friends do you have?4650 BAD
