—What are the children doing in the park?
—They ______ kites.
A. fly B. flew C. are flying D. will fly
My parents often______ me some gifts on my birthday.
A. buy B. bought C. will buy D. have bought
（题文）Beijing is one of________cities in the world．
A. big
B. bigger
C. biggest
D. the biggest
— ______shoes are these?
— I think they’re Peter’s.
A. Who B. Whose C. What D. Which
We usually have our school sports meeting ______ May. What about yours?
A. on B. in C. to D. at
—______ pen is lost. Can I use yours for a while?
— Certainly. Here you are.
A. My B. Your C. His D. Her
