题目

读句子，选择对应的图片A.B.C.D. （1） I went shopping every day last winter holiday. （2） My sister went swimming yesterday afternoon. （3） The dog took some pictures in the zoo. （4） My mother ate lunch at home yesterday. 答案：【1】B 【1】A 【1】D 【1】Csin(-)的值为(　　) A.　　　　　　 B.-　　　　　　 C.　　　　　　　　 D.-