______ it is important to have enough ex
题型:选择题
问题:
______ it is important to have enough exercise, many people find the excuse that they can't find the time. [ ]
A. When
B. That
C. While
D. As
______ it is important to have enough exercise, many people find the excuse that they can't find the time. [ ]
A. When
B. That
C. While
D. As