根据图片，从每题所给的A.B 中选择正确的句子，只须填字母序号。(5分)
(1). A. He is dancing .     B. She is dancing .

(2). A.I likes playing basketball.     
B.I likes skipping.   

(3). A. The girl is cold.
B. The girl is hot(炎热）.

(4). A. It is winter(冬季）now.
B. It is summer(夏季) now.

(5). A.Peter is writing.    B.Peter is cooking.