Put on more clothes.You ___ be feeling cold with only a shirt on

问题描述:

Put on more clothes.You ___ be feeling cold with only a shirt on
a.would b.could c.must
都可以表示推测,但为何选C,而A.B错在哪?

A的话would应该改为will,B的话could 是过去式,而且现在时表示猜测应该用may
这句话不带有猜测之意,所以用must