Duty is an act or a course of action that people（）you to take by social customs, law or religion.

单项选择题His MP3 is the same as（），but it is more expensive．

A．him
B．mine
C．my
D．her

单项选择题The citizens didn't feel safe at all after several families had their house（）sat night and a lot of things stolen.

A．broken in
B．broken into
C．to be broken into
D．break in

单项选择题—You haven't been to Beijing, have you —（）. And how I wish to go there again!

A．Yes, I have
B．Yes, I haven't
C．No, I have
D．No, I haven't

单项选择题She couldn't help, even though she tried not to,（）at the strange clothes her friend was wearing.

A. to laugh
B. laugh
C. laughing
D. laughed

单项选择题There is an increasing（）to make movies describing violence.

A. strength
B. direction
C. tradition
D. trend