问题
选择题
单项选择。
In New York, they ______ the White House last September. [ ]
A. visit
B. are visiting
C. visits
D. visited
答案
答案：D
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单项选择。
In New York, they ______ the White House last September. [ ]
A. visit
B. are visiting
C. visits
D. visited
答案：D