(2013·德州期末校际联考)________ an hour every day has made a considerable difference to my health.
#89554
A
Having walked  
B
Walk
C
Walking  
D
Walked
推荐题目
______ to as much English as possible is a good way to learn English well.
#89709
A
Exposed
B
Being exposed
C
Having exposed
D
To expose
You can’t imagine what great trouble they have _________ the problem_______.
#95579
A
to solve; being talked about
B
solving; discussing
C
to solve; to talk about
D
solving; being discussed