it is __ to swim in the river in summer.sure it is,look at t
收藏:
0
点赞数:
0
评论数:
0
1个回答

选 dangerous 危险的.

后文说了 no swimming,禁止游泳.所以看出来是危险的.

点赞数:
0
评论数:
0
关注公众号
一起学习,一起涨知识