A-A+
A new material_____ we have good reason to be
问题详情
A new material_____,we have good reason to be optimistic.
A.developed
B.being developed
C.was being developed
D.was developed请帮忙给出正确答案和分析,谢谢!
参考答案
正确答案:B
解析:本句话意为“我们有充分的理由保持乐观的态度,因为我们创造了一种新的材料。”本句话考查的是独立主格的用法。正确答案为B。