Earth Day is celebration of life and our planet. It is a reminder that we need to________the world we live in and that we should learn to respect life and nature.
The CDs are on sale!Buy one and you get ______ completely free.
It’s no use____ that you didn’t know the rules.
. At a rough estimate(估计), Nigeria is ____ Great Britain.
--- This is the worst food I've ever tasted. --- ____________.
All the dishes in this menu,otherwise stated, will serve two to three people.