1.Does the lemon taste sour? 2.感叹句:How nice the picture is! 陈述句:The picture is nice. 3.The dog chases the cat in the gardem(应该是garden 花园) 1.It is fine. /It is rain. 2.Yes, I can./No, I can't. 3.Yes, I'm_/No, I am not. 4.Yes, I can./No, I can't. 1.C 2.C 3.B 4.C