—What is the boy doing?—It's not necessary for you to be ________ about others' business.
My toothache is killing me.I _____ it _____ away.But now it’s getting worse and worse.
---The exam starts at 9:00 tomorrow morning.---___________ I fail to arrive there on time?
_____ on May Day, the Shanghai Expo has attracted tens of thousands of visitors around the world every day.
With the moonlight keeping them ________, the tourists climbed over the mountain without a guide.
Recently I was frustrated that my essay was rejected my a newspaper.________, I had my wallet picked on the bus on the way home.