I always regret not         harder when I was young .
#97664
A
studying
B
having studied
C
to study
D
to have studied
推荐题目
If you are not satisfied with the price _______, we can still discuss it.
#96224
A
being offered
B
to offer   
C
offering
D
offered
— Is he said ____ his car lost?— Yes. He was so foolish ____ leave his car ____.
#98978
A
that…that…unlock
B
to have had…as to…unlocked
C
to have…to…unlock
D
to have…for him to…unlocked
She became fatter and fatter, so the doctor advised her _____________.
#95837
A
losing weight
B
to lose weight
C
to keep weight
D
to gain weight