We will have a ____holiday.What about going birdwatching?A.two days B.two-day C.two-days D.two-day's

问题描述:

We will have a ____holiday.What about going birdwatching?A.two days B.two-day C.two-days D.two-day's

B.two-day,两天的(作定语,相当于形容词).