问题

t changes have taken place in thatschool It is no longer __ it was 20 years ago, _ it was so poorlyequipped

A:has been questioned
B:have been questioned
C:was questioned
D:were questioned

正确答案是：

同类题型

The population level in this area has during the past 12 years. [ ]

It was the President himself______ opened the door

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How could she be so calm in front of so many people? It is really _______me