I______ask you, because I thought I must be wrong.
A. dare not B. dare not to C. don't D. am not daring to
昨日习题答案：
We can see a lot of people doing morning exercises in the park even （ A. on ）
a cold morning.
句意：即使在一个很冷的早晨我们都可以看到很多人在晨练。指具体某一天的上午、下午和晚上等，前面的冠词要用on。