Question

---How many people will come to Beijing next year?
---It’s hard to say.              people ,I think.

A．Million of

B．Millions of

C．Three millions

D．Three millions of

Answer 1

B

根據上文，難說，可知下文為概數，表示概數時million后不加s，前面不加數字，故選B,成千上萬的。