第二部分语言知识运用（共计40分）
第一节、单项选择。(２０分)
从所给的A、B、C、D四个选项中，选出能填入空白处的最佳选项。
( )26、 the Blacks watching video tapes when you came in?
A、Are B、Were C、Did D、Do
( )27、Be quick, we'll be late for the football match.
A、and B、but C、or D、then
( )28、She didn't go to bed it was too late.
A、while B、until C、before D、after
( )29、When you do your homework, you must be .
A、as carefully as you can B、as careful as you can
C、as you can as careful D、more carefully than before
( )30、Our teacher told us football in the street at any time.
A、don't play B、not play C、not to playing D、not to play
