40．When they hurriedly arrived home, they found their house ___________ and a lot of things ______.

A．break into; missing　　　　　　　　　　　　　　　　　　　　 B．broken in; missed

C．broken into; missed　　　　　　　　　　　　　　　　　　　　 D．broken into; missing

39．He is a student at Oxford University, __________ for a degree in computer science.

A．studied　　　　　　　　　　 B．studying　　　　　　　　　 C．to have studied　　　 D．to be studying

38．The child was almost _______________ from the outside world.

A．cut off　　　　　　　　　　　 B．cut down　　　　　　　　 C．cut out　　　　　　　　　　 D．in