Have you made ( ) your mind what courses you are going to take yet?
A. in
B. to
C. on
D. up
I ( ) seen you for ages.
A. have seen
B. haven't seen
C. did't see
D. hadn't seen
The three wise men asked the woman if her husband was ( ) home.
A. in
B. at
C. of
D. by
----I didn't receive any e-mail from you,why? ----( )
A. Oh,my compuer is down.
B. It doesn't matter.
C. I think it's OK.
D. Never mind.