The houses in big cities are very _______.I can't afford(负担)them.
Miss Wu teaches ________ Maths. She is nice ________ everyone.
The housework is ______ easy. You don't have to spend (花费) _______ time on it.
--- _______ is it from your house to the shopping mall?---It’s twenty _______ walk.
– We will go to Beijing next week.– __________________.
It is 7 o’clock now. It’s time ________.