It is better for you to walk down the stairs instead of ________ the elevator.
早上你在校门口遇到你的英语老师,你应该向老师说_______打招呼。
Could you please tell me ____________ the railway station ?
-- When can I play computer games, Mum?--______ your homework _______.
Please______ your football shoes ,David . Your room is very untidy .
--__________ is it from here to the cinema? --Ten minutes by bike.