—Would you like to go and see the film Avatar with me this evening?
—Sorry， I____________ it for three times.
A. see B. saw
C. have seen D. had seen
When winter comes，days get ．
A．shorter and shorter B．short and short
C．longer and longer D．more and more warmer
. Do your homework ____________ you can， or you’ll make many mistakes.
A. as careful as B. as carefully as
C. so careful as D. so carefully as
The policeman told the little boy ______________ soccer in the street. It’s too dangerous.
A. not play B. not playing
C. not to play D. to play
I think the time you ________________ surfing the Internet every week is too much.
A. cost B. spend C. take D. pay
He had something to write down and asked me for ________________.
A. a paper B. some papers
C. some pieces of papers D. a piece of paper
