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
We often hear her _________ this song.
#58542
A
sing
B
sings
C
to sing
D
singing
Colours can make us         or sad.
#55385
A
to feel happily
B
feel happily
C
to feel happy
D
feel happy