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问题: 有关于非谓语动词30

The computer center,_____last year,is very popular among the students
A.open B.opening C.having opened D.opened
要详细的过程和思路

解答:

The computer center,_____last year,is very popular among the students
A.open B.opening C.having opened D.opened

答案:D
直接从时态上就可以排出A、C;从语态上排出B(因为这里应该表被动)。