问题
选择题
The machine has been used many years. _____ it doesn't work well occasionally.[ ]
A. That's because
B. It's no wonder that
C. There's no doubt if
D. It's unlikely that
答案
答案：B
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The machine has been used many years. _____ it doesn't work well occasionally.[ ]
A. That's because
B. It's no wonder that
C. There's no doubt if
D. It's unlikely that
答案：B