—Is your uncle an ________?—Yes, he recently invented ________ useful machine.A. invent, theB. inventor, anC. inventor, a
The question is so hard. None of them can answer it _________.
---Is this your dictionary? ---Yes. I ________ it for two weeks. (Which is NOT right?)
---When _______ your computer ___________? ---Yesterday afternoon.
---Is your father still in Shanghai? ---Yes, he _________there for two weeks.
--- Will Guo Jingming’s new book ___________ in August this year? --- Sorry, I’m not sure.