A new material_____,we have good reason to be optimistic.

admin2013-01-15  35

问题 A new material_____,we have good reason to be optimistic.

选项 A、developed
B、being developed
C、was being developed
D、was developed

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。
转载请注明原文地址:https://jikaoti.com/ti/ZT8YFFFM
0

最新回复(0)