Please ______ ! The light is yellow now. A. slow down and stop B. wait C. go
– Where is your mother? -- She ________ to shanghai. She has ever ________ there twice.
________ have you been in this city? -- Ever since 2000.
It is ________ of people to help the disabled.
I have already _______ the novel for a week. I must return it _______ the library tomorrow.
Don't risk the street when the red light is on.