If you swim in a river or lake, make clear is below the water surface.

Jim, it’s 9：00. Don’t be for class again!- I’m sorry, Ms. Green.

The final exam is coming, but my daughter’s Chinese is not good.-Don’t it. You can ask her to do more reading and I can also help her.

To some extent, uncontrolled information from the website that many people turn _______ false.[ ]

I felt very tired when I got home. and I _______ straight to bed.