He ______ the test again, in which case, his mother will be very disappointed. 
#89549
A
might fail
B
must have failed
C
should fail
D
could have failed
推荐题目
They received demands that the work ________ at once.
#86906
A
must be done
B
would be done
C
had been done
D
be done
 If human beings had been a bit less greedy and cruel, more birds and animals _______dying out.
#89245
A
ought to avoid
B
could have been avoided
C
should have avoided
D
might have avoided
_______ he was seriously ill, I wouldn’t have told him the truth.  
#87834
A
If I knew
B
If I know
C
Had I known
D
Did I know