问题
选择题
I have been trying my best to study English I want to have a chance to be a volunteer for the London Olympic Games.[ ]
A.but
B.so
C.because
D.until
答案
C
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I have been trying my best to study English I want to have a chance to be a volunteer for the London Olympic Games.[ ]
A.but
B.so
C.because
D.until
C