--- Robert is indeed a wise man.---Oh, yes. How often I have regretted_______his advice!
#98651
A
to take
B
taking
C
not to take
D
not taking
推荐题目
______ to somebody , a British person often shakes hands with the stranger . 
#98543
A
Introducing
B
To introduce
C
To be introduced
D
On being introduced
_____ of danger in the street at night, she had to go home with a friend _____ her.
#91294
A
Being warned; accompanied
B
Having warned; accompanying
C
Warning; accompanying
D
Having been warned; accompanying
Some of our industrial products have been said           advanced level.
#96304
A
to reach
B
to be reaching
C
to have reached
D
to have been reaching