Generally speaking, a computer works _______________ a human brain.
—Is that Mr. Lee speaking?—Sorry, he isn’t in. He with his classmates ________ to Hainan on vacation.
Tom has _____ money that he can’t afford the digital camera.
—Jack, have you finished your homework _____?—Yes. I’ve _______ finished it.
Jenny is talking _____ in class. Please tell her to stop.
_____? We’re going sightseeing.