The middle and high school period is a special one for children, a transition from children to adult, ______ children tend to be rebellious.
—— Is the bus stop far from here? —— It’s a quarter’s walk, ________.
I’ve got ______work to do on a ________ cold day.
The guide told us that he would organize some business men abroad___next week.
There was no news;____, she did not give up hope.
I want to ring him___to know the reason why he rang___while I was speaking yesterday.