as a new graduated ,he doesn't know ________it takes to start a b_其他解答

as a new graduated ,he doesn't know ________it takes to start a business here.
A.how B.what C.when D.which
how怎么用?

人气：175 ℃　时间：2019-08-21 19:56:36

解答

应该选B吧缺宾语
至于how的用法太多了找个词典查查吧