Question

_________ trees have been planted these year

_________ trees have been planted these years. A．Million B．Millions C．Million of D．Millions of

Answer 1

D

这题考查数词的用法，因为这句话没有具体数字，所以不能选A，Millions of是“上百万的”，修饰trees，句意是：这些年种了上百万的树。选D。