--Life be very hard for people living in the north of Canada as it is very cold
来源：网络
时间：
推荐文章
--Life ____ be very hard for people living in the north of Canada as it is very
cold there in winter.
—Yes, the weather there _____ be as low as 60℃ below zero.
A.must; can B．shall; must C．will; should D．has to; can
试题答案
【答案】
A
【解析】
试题