--- When Mary’s birthday? --- It’s September.A. am; on B. is; in C. is; on
-- Would you like to have dinner with me? -______ Where shall we eat?
_____ Mom had asked Jack to close the window before he went out,______ he forgot to do it.
Bikes ______ in the 1880s and they ______ traveling around.
Do you know the lady ______ is interviewing our teacher. -- Yes, she is a reporter from CCTV.
-- When did you_____? -- I’ve_____ _for two months.