There have been so many school bus accidents recently._________, people are concerned about the school bus safety much.

I visited the Purple Mountain Observatory last Sunday.— Why didn’t you tell me earlier

I’d like to buy some special clothes online, but I can’t find an online shop. ——I know_____. Let me show you.

I find _____ not easy to answer this question in English.

The tourism of my hometown _______ a rapid growth over the last decade. Now it’s the 2nd most visited place in our city.