There are fewer and fewer tigers in India. The situation will continue ______ humans stop hunting them for their fur and bones.
In my ideal school, there is a big library ______lots of _____ books.
The number of the football players _____12. A number of them _____ my friends.
--- Mum, could you buy me a dress like this? --- OK, we can buy ______ one than this, but _______ this.
Of the two sisters, Lucy is ______ one, and she is also the one who loves to be quiet.
---Who do you think runs the _______ in your class? ---Li Ming. .