—It’s dangerous to walk across the street carelessly.—You’re right. We can’t be ________ careful while crossing the street.
A:Does your sister a CD? B:Yes, she .
A:? B:R—U—L—E—R.
A:Are your books in the bookcase? B:. They’re on the desk.
— You didn’t sleep well last night, did you? — , so I feel tired now.
— I’ve never been to the Great Wall, what about you? — ______. I think it must be very great.