David did not regret saying what he did but felt that he     it differently.
#87310
A
could express
B
would express
C
could have expressed
D
must have expressed
推荐题目
If I___you, I____more attention to English idioms and phrases. 
#89906
A
was; shall pay
B
am; will pay
C
would be; would pay
D
were; would pay
What a pity. Considering his ability and experience, he ____ better.
#89095
A
need have done
B
must have done
C
can have done
D
might have done