“You ________ have a wrong number，”she said.“There's no one of that name here.”

 Don't use water to put out the fire if oil catches fire. As is known, oil ________ float on water.

---- What are you going to do this weekend?---- I don’t know. I      go to Beihai Park.

 Given that (鉴于) you feel so stressed , you _____ as well take a weekend break to relax yourself. 

---Look! That’s Amy.   ---It _______ be her. She’s gone to Xi’an.