I could have called you for help, but I ____ your number.  
#90107
A
couldn’t remember
B
didn’t remember
C
should have remembered
D
hadn’t remembered
推荐题目
---Must I fill in the form?   --No, _______.
#87762
A
you must
B
there’s no need
C
you needn’t have
D
you needn’t to
 He did not regret saying what he did but felt that he ________ it differently.
#86555
A
could express
B
would express
C
could have expressed
D
must have expressed