These years China has been developing very fast, but it is still a _____ country.
This place _______ a factory but now it is a park.
— Li Ming, do you know _______ this year?—It’s on June 20th.
He ate a lot and did little exercise, so he _______ 10 pounds.
— This is your order, a sandwich and an apple pie. _______— I’ll have it here.
I _______ with my parents when he rang me up yesterday afternoon.