在函数中,自变量的取值范围是
Do you think it’s ______ that fish sleep ___________?
DIY mean you do something yourself instead of _____ someone to do it.
—__________ is the new shop from your home? —It’s eight minutes by bus.
May is a true friend. She never ______.
It’s necessary to build more nature reserves to provide food and cover _____ wildlife.