问题
____ there is no law stating how you may dress, not all fashions are respectable.
A:Because
B:Since
C:While D.Unless;
D:Unless;
B:Since
C:While D.Unless;
D:Unless;
正确答案是:
同类题型
The experiment shows that proper amounts of exercise, if_____ regularly, can improve our health.
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I won’t call you, __________ something unexpected happens.
Andy finished first in the competition!— Really Sounds ________ to believe.