Smile to the world, _______ the world will smile back to you.
--What do you usually do after school?--I usually play ________ basketball with my friends.A. a B. the C. 不填
Could you please _____ the radio a bit ? It’s too loud.
I’ve got really ____ while hearing the bad news.
It is better to ____ the lights before you leave here.
I will do it .