--- Jack fell off the ladder yesterday,but he is all right now.  ---What a lucky dog! He ________himself badly. 
#86414
A
should injure
B
might injure
C
should have injured
D
could have injured
推荐题目
These achievements_______ without the contribution of Qian Xuesen, a key leader of the New China's nuclear, missile and so on.
#89859
A
would have been unthinkable
B
would not be unthinkable
C
would be unthinkable
D
would not have been unthinkable
The teacher commanded that the naughty boy _____, but he refused.
#87384
A
stand up
B
stood up
C
would stand up
D
had stood up
--The wall of your room doesn't look nice.  ---I wish I ___ it green.
#88952
A
shouldn't have painted
B
wouldn't painted
C
hadn;t painted
D
don't paint
Though the ship sunk, all the people on her____ be resuced.
#88157
A
could
B
should
C
had to
D
were able to