— Mark, why do you get up so early? — Oh, I have so many things to do and you know ____.
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 areB.What’sC. How much is