Why couldnt she see or hear later？ 　　______________________________________________

When could Helen already read some words？

　　______________________________________________

　　A. for B. while C.since D.when 

　　A. isnt B. hasnt C. has D. is

　　A. well B.good C. better D. great

　　A. By the way B. On the way C.In a way D. In the way

　　A. interesting； interesting B. interested； interested

　　C. interesting； interested D. interested； interesting

　　A. play B. playing C.to play D. played 

　　A. happily B. quickly C. slowly D. friendly

　　A. with B.to C.on D. of

　　A. take care B. look at C. babysit D.babysitter