26.The girl __________ down by a car lay dying.
A.knock B.knocking C.knocked D.to knock
27.You should keep on _________ English every day in order to improve it.
A.to practise to speak B.to practise speaking
C.practising to speak D.practising speaking
28.In those days my family didn’t have enough room _________.
A.to live B.living in C.to live in D.living
30.She told me ________ about my lessons.
A.needn’t worry B.don’t worry C.not to worry D.not worry