We’d better have a ___________ discussion if we go to a ___________ place for the class trip.

Tourists’ bad behavior by the government in our country from now.

I’m sorry. I forgot(忘记) my baseball. Now I ______it. Can you help me —Yes, I’d love to.

These problems are too hard to . Will you give me some advice— There are many ways. The most important is to have a careful plan.

Some frightening pets _________ be kept home so thatthey won’t hurt others.