1.you mustn't ( ) (cross) the road now.2.look!what are they ( ) (_英语解答

1.you mustn't ( ) (cross) the road now.2.look!what are they ( ) (do) now.

人气：298 ℃　时间：2019-11-24 18:15:37

解答

cross must是情态动词,所以后面跟动词原形
doing现在进行时,be doing