问题
单项选择题
In 1978,21989 vessels,including warships（）through the Suez Canal.
A.passed
B.passes
C.pass
D.past
答案
参考答案：A
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In 1978,21989 vessels,including warships（）through the Suez Canal.
A.passed
B.passes
C.pass
D.past
参考答案：A