every year we plant -------- trees(many) million(s) (of) A.many m_英语解答

every year we plant -------- trees
(many) million(s) (of) A.many millions B.million of C.many million of D.many millions of

人气：413 ℃　时间：2020-03-27 03:13:46

解答

D million,thousand,hundred等词有of时,可以有复数形式.前面能加many？可以，相当于一个复数概念。