it must be 2 boys___chess A play B playing Cto play Dare playing_英语解答

it must be 2 boys___chess A play B playing Cto play Dare playing

人气：443 ℃　时间：2019-11-18 04:06:07

解答

B 句子已有谓语must be ,排除A ,D,所以应选非谓语,该句是猜男孩正在干什么,所以用playing