That notebook John’s. It has his name on it. A. canbe B. mustbeC. needbeD. can’t be

问题补充：

That notebook John’s. It has his name on it.

A. canbe

B. mustbe

C. needbe

D. can’t be

答案：

A. canbe

(答案→)B. mustbe

C. needbe

D. can’t be

解析：

句意：那本书准是约翰的。上面有他的名字。must be表示对事物的一种肯定的猜测。结合语境可知选B。