Leonardo da Vinci (1452-1519) ____ birds kept in cages in order to have the pleasure of setting them free.
#92910
A
is said to be buying
B
is said to have bought
C
had said to buy
D
has sad to have bought
推荐题目
While watching television,         .
#93690
A
the doorbell rang
B
we heard the doorbell ring
C
there was someone knocking at the door
D
we heard the doorbell rung
It is the first time I ____ to visit the Great Wall. 
#92611
A
came
B
come
C
have come
D
had come