_____ you often go to the movies?–No, but I ___________ last Sunday.
________ you ________ the TV play My Ugly Mother?—Yes, it’s well worth seeing. It’s so moving that I’ve seen it twice.
The volunteers sent _______ books to a mountain village school on Children’s Day.
There happened to be nobody under the wall when it fell down, ____ ?
Tom said he to Guangzhou.