—Is your uncle an ________?—Yes, he recently invented ________ useful machine.A. invent, theB. inventor, anC. inventor, a
—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 ______.