My ____ of this weekend’s activity is going out with some good friends.

A. idea　 B. opinion　 C. mind　 D. thought

Although he talked half an hour, he couldn’t give us a good ______of the reason why he did it.

A. idea　 B. explanation　 C. sense　 D. understanding

Being a teacher for many years, he has learned a ______ to remember students’ names.

　　 A. idea　 B. thought 　　 C. trick　　 D. mean

In my opinion, what he told us just now about the affair simply doesn't make any ________.

A. idea　 B. sense　 C. meaning　 D. point

It makes little _____now to tell our children that their grandparents once boiled leather shoes to stop their hunger on their way to the northeast .

A. idea　 B. meaning　 C. sense　 D. use