21.Another five weeks ____ necessary for us to finish the work.A.are B was C is D will have been
问题描述:
21.Another five weeks ____ necessary for us to finish the work.A.are B was C is D will have been
答
21.Another five weeks __A__ necessary for us to finish the work. A. are B was C is D will have been
答
看成是一个整体 单数C
答
A. are