The old man never feels with his pet dog around though he lives in an old flat.
There is still a copy of the book in the library. Will you go and borrow ?—No, I’d rather buy in the bookstore.
If you have finished your homework, you could _____ cleaning and cooking.[ ]
last year , my sister tried to lose weight (减肥), but ______ putting weight back on.
Kate had paid him in advance, which _________ was a mistake.