The harder we study, the more questions we think of        .
#89640
A
asked
B
asking 
C
to ask
D
ask
推荐题目
The girl looked at me with a _______expression. Maybe the problem was quite ______.
#95397
A
puzzled; puzzling
B
puzzling; puzzled
C
puzzled; puzzled
D
puzzling; puzzling
The sunlight is white and blinding,________hard­edged shadows on the ground.
#89514
A
being thrown   
B
throwing
C
to throw
D
to be thrown
_______ for several weeks, the city was short of food and clothing.
#92857
A
As having flooded
B
As flooding
C
Having been flooded
D
To flood
_________ the wind and the sun, the color on the board gradually ran.
#96887
A
Being exposed to
B
Having exposed
C
Exposing
D
Exposed to