Question

---Whose notebook is this?
---It         Jane’s. It has her name on it

1. A.
   must be
2. B.
   might belong to
3. C.
   may be
4. D.
   could be

Answer 1

A
考查情态动词表推测的用法。根据答语的内容上面写着她的名字，表示肯定性推测所以用情态动词must，句意为一定是珍妮的。故选A。