Tane is timid. Whenever she sees the mouse or a snake, she loses her ____and screams out.

Our lab is on the third _____ of a six—______ building.

---What do you think of your new English teacher？--- She was well prepared for her first lesson and left us a good________.

I’ m sorry. I can’ t give you the telephone number without Mr. Smith’s______.(合肥市)

----What do you know the _____ of are the pig influenza in humans? ---- usually similar to regular human seasonal influenza .