This book is not_______for a six-year-old child to read.

Carl, why not go and help your sister water the flowers there? —Why__________? I’m busy myself. Jack is lying on the grass doing nothing.

I have finished the task . How about you? -We haven’t finished ours .

What did he want to know，John?一that we could finish our work．

_____ is no doubt _____ Jennifer will come to see me this weekend as usual.