—What's this in English? —______.
A．It's his book.
B．It's green
C．It's a key
—— It’s a fine day today. How about __________?
—— Sounds great!
A. go hiking B. go to hike C. going hiking
He said he would come to see us________next week.
A. sometime B. sometimes C. some time
Which city has _________ population, Shanghai, HongKong or Qingdao?
A. the smallest B. the most C. the largest
—— Excuse me, is this Lucy’s book?
—— No, this is mine. _______is over there.
A. Hers B. His C. Its
Tom lives on the ________ floor.
A. two B. twice C. second