根据句意及首字母提 示补全单词。
My mother told me a good friend is like a m         .
We should sleep at l______ eight hours every day.
He never goes to a d______ for teeth cleaning.
A true friend reaches for your hand and touches your h       .
He was so funny that he often makes his friends l         .
There is only one room left,we need to s_____.
Alice is a h        girl. She often gets good grades.
20 p_____ of the students in our class are girls.
He watches TV t____ a week, on Sunday and Monday.
N_______ is difficult if you work hard.