Nancy often feels lonely. Because she has no __________ or friends living in this city.
A.volunteers B. students C. relatives
House prices increased __________ an average of 23% in 1998.
A. to B. by C. at
I bought some medicine for my cold, but after I took it, I felt even_________.
A. worse B. better C. healthier
I lost my cellphone on my way home. ________, someone found it and returned it to me.
A. Finally B.Probably C. Luckily
—__________ the population of the USA, do you know?
— Over 300 million.
A. How many are
B.What’s
C. How much is