His uncle     be very poor,but now he has been very rich.
#52534
A
used to
B
has to
C
had better
D
had to
推荐题目
 Why not ______ your teacher for advice when you don’t know ______ the problems?
#59397
A
ask; what to do with
B
to ask; how to deal with
C
ask; what to deal with
D
to ask; how to do with
What do you         this new watch?  
#57783
A
look at
B
look for
C
think of
D
think over