, I believe, and you will find the student isvery outgoing.

why not swim in the river—oh, no. our teacher told us _____ here. It’s dangerous.

Would you like to tell us something about what a doctor’s life ______

It was on my way back home ______ my teacher made the promise______I can do nicely next exam I will buy me a set of LuXun’s Complete Works.

We must stop ________ plastic bags (塑料袋).—You’re right. It’s bad for our environment(环境).