I hear Mr. Smith was writing a story last year and he still ____.
--Can Mr. King spare some time for the charity show?--If he ___, he will try his best to make it.
The librarian told me that I could ___ these magazines for three days.
I think you should complain, , of course, you are happy with the situation.
–_____ did you work out the problem in such a short time? --With Mr. Li’s help.
—What would you like, tea or coffee?—_____, thanks. I just prefer a glass of water.