Without electricity human life __________ quite different today. 
#87677
A
is
B
will be
C
would have been
D
would be
推荐题目
Though the ship sunk, all the people on her____ be resuced.
#88157
A
could
B
should
C
had to
D
were able to
 I was really anxious about you. You___home without a word. 
#89626
A
mustn’t leave
B
shouldn’t have left
C
couldn’t have left
D
needn’t leave