The computer center, ________ last year, is very popular among the students in t

题干

The computer center, ________ last year, is very popular among the students in this school.

A．open

B．opening

C．have opened

D．opened

上一题下一题 0.64难度单项选择更新时间:2010-06-18 10:17:20

小学学科试题库

初中学科试题库

高中学科试题库