________ at the door before you enter my room, please.

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

Be sure to be here early tomorrow, ＿＿＿＿＿? 

______ him enough time to get home before you telephone. 

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