填空：That is____"fast food"is so popular in North America.选项A how B what C when D why
问题描述：
填空：That is____"fast food"is so popular in North America.
选项A how B what C when D why
答
D
答
In North America people are always in 1.___ hurry.Children have 1 a, 2, at 3, don
答
D why
答
D原因
答
D why