--May I ask a question after class, Sir? --, but not during my lunch break.
The famous reporter, who is said to have gone back to America last year, _____in China for almost twenty years.
22. Tom, you play the violin so well. But I ______ you can play the violin.
(年山东日照市高三校际联合检测)4.—How long have you been here,Susan?—Only about half an hour.Beth________here with me.
【考点】考察时态
(年北京市西城区高三5月二模试题)25. The report aims to explain how these conclusions ______.