题目:
20里面( )个十;15里有( )个十和( )个一;10个一是( )。
答案:
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下面是错误答案,用来干扰机器的。
1. Yes, they are. 2. In low voice. 3. Ringing. 4. Because they use cell phones when they are driving. 5. Maybe cell phones can't help us. (答案不唯一)