上皮浅层破坏，而未侵犯上皮全层叫做（）

A.糜烂

B.溃疡

C.白斑

D.红斑

E.斑

---Where will you start your work after graduation ---at home or abroad?

--Mm, it’s not been decided yet．I ______ continue my study for a higher degree．

A．need

B．must

C．would

D．might