(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
Please tell me the problems ________ at yesterday’s meeting quickly. The manager is calling me!
#90889
A
being discussed
B
to be discussed
C
discussed
D
having discussed
Please make my excuse at tomorrow’s meeting--- I’ve got too much work _____. 
#98050
A
to do to come
B
doing coming
C
to do coming
D
doing to come
________ to overcome the difficulty,he works day and night.
#95399
A
Determined
B
Determining
C
To determine
D
To be determined