_____ many times, but he still couldn't understand it.
#98333
A
Having been told
B
Though he had been told
C
He had been told
D
Having told
推荐题目
. –What’s the temperature today? --It’s 5 ℃ below _____. It is _____ cold.
#97642
A
freezing; frozen
B
frozen; frozen
C
freezing; freezing
D
frozen; freezing
We usually take turns ______cleaning ,and today it is my turn ____it 
#97241
A
to do; doing
B
doing; doing
C
doing ;to do
D
to do ;to do
The manager was satisfied to see many new products ______ after great effort.
#88381
A
having developed
B
to develop
C
developed
D
develop