问题描述:
2010年绵阳中学月考
Generally speaking,in the United States________15percent tip is normal for________most restaurants.
A.a;/ B.an;the
C./;a D./;the
Generally speaking,in the United States________15percent tip is normal for________most restaurants.
A.a;/ B.an;the
C./;a D./;the
问题解答:
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