The number of the foreign tourists to visit the US is expected to be more than 2 million by 20l5, l4

题目简介

The number of the foreign tourists to visit the US is expected to be more than 2 million by 20l5, l4

题目详情

The number of the foreign tourists to visit the US is expected to be more than 2 million by
20l5,           l4 billion to the US economy.
[     ]
A. to contribute
B. contributing
C. contributed
D. to be contributing
题型:单选题难度:中档来源:山东省模拟题

答案

B

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