问题补充:
- Don you see the sign No Parking! on the right?
-Sorry, I didn . But now I know parking here.
A. wasn allowed
B. isn allowed
C. won allow
D. doesn allow
答案:
A. wasn allowed
(答案→)B. isn allowed
C. won allow
D. doesn allow
解析:句意:你难道没看见右边的“禁止停车”的标志吗?对不起,我没有。但是现在我知道这里不允许停车了。Park和allow之间存在着逻辑上的动宾关系,所以用被动结构,动名词做主语时谓语动词用单数形式;故选B。