Question

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

[　　]

A．can

B．could

C．would

D．must

Answer 1

答案：D
解析：

must用在肯定句中表推测时，语气比could, would等肯定得多。此处“must＋不定式进行时”表“想必正在……”之意。