________nice weather it is! Let’s go out for a walk, shall we?

You can’t imagine ______ when they received these nice Christmas presents.

---______ to give the letter to Mr. Wang. It’s very important.  ---No, I won’t.

______ yourself with positive people, and you will keep focused on what you can do instead of what you can’t. 

---Please _____the computer with something,or it’ll get dirty easily. ----OK,I’ll do it right away.