________ more careful, his ship would not have sunk. 
#89375
A
If the captain were
B
Had the captain been
C
Should the captain be
D
If the captain would have been
推荐题目
 Why were you driving so fast? You   somebody.
#87989
A
mingt hurt
B
might have hurt
C
would hurt
D
must have hurt
Your advice was a great help to us, without which all our efforts       .
#87386
A
wouldn’t pay off
B
hadn’t paid off
C
wouldn’t have paid off
D
didn’t pay off
If I were to have time, I            to the theatre tomorrow evening.
#88236
A
would have gone
B
should go
C
had gone
D
were to go
The captain urged that the mission ________ before dark.
#87552
A
must be finished
B
be finished
C
ought to be finished
D
was finished