--- Excuse me, could you tell me _____________? --- Sorry, sir, I wasn’t there at that time.how did the accident happen B. how the accident happened C. how does the accident happen D. how the accident happens
—We only live once, but if we live a wonderful life, once is enough. — ________ I agree.
As we all know, great changes _______ in China in the past thirty years.
The old man lived ______ in a small house, but he didn’t feel ______.
I ______ my mum cook dinner in the kitchen when the telephone ________.
It will be ________ next week and there will also be a lot of ______.