题目内容:
Directions: There are 20 incomplete sentences in this section.For each sentence there are 4 choices marked A,B,C and D.Choose the one that best completes the sentence.Mark your answer on the ANSWER SHEET with a single line through the center.Niagara Fall is a great tourist ___, drawing millions of visitors every year. A.attention
B.attraction
C.Appointment
D.arrangement
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答案解析: