Nothing _________ difficult if you work hard.A. am B. is C. are
– Do you have any plans for your winter vacation? – Yes. I am ________ for Paris next month.
–_________does her uncle surf the Internet? – Once a day.
Bill’s little brother likes to do the same things _________he does.
John decided to buy a computer, _________ it was a little expensive for him.
– What a nice model ship! – Thank you. It _________ me a few days to make it.