根据首字母提示，完成下列单词的拼写。
We can find lots of information on the I     .
Remember not to speak l________when we are in the reading room.
My mother has lots of h______ to do at home every day. I should always help her.
How many d______ can you find between these two pictures?
Young children need to sleep at l______ 9 hours every night. Enough sleep is very important.[来