21.The main character of this game is _______girl. She saves her father in the end.

A. a 15 years old B. a 15-year-old

C. a 15-years-old D. an 15-years-old

22.The Wangs will have _______ holiday in America.

A. three weeks B. three week C. three-week D. a three-week

23.My father will have a holiday next month. He'll take me to Qingdao.

A. ten days B. ten day's C. ten-days D. ten-day

24.Tom is ____________ boy now.

A. a 11-years-old B. a 11-year-old

C. an 11-year-old D. an 11-years-old

25.The twins has studied in this school ________ .

A. two years ago B. since two years ago

C. for two yeas ago D. since two years

26.David is . He is from .

A. English; England B. English; English

C. England; England D. England; English

27.The old man is my grandfather.

A. eighty-years-old; like

B. eighty-year-old; likes

C. eighty-year-old; like

D. eighty years old; likes

28.My new friend is a ____ boy.

A. fifteen-year old B. fifteen-years-old

C. fifteen years old D. fifteen-year-old

29.—How amazing the noodle is!

—Yes, it is ___, and breaks the Guiness World Record as the longest handmade noodle.

A. 1704-meter-long B. 1704-meters-long

C. 1704 meter long D.1704 meters long

30.Although he is only a _____ boy. He knows a lot.

A. five year old

B. five-year-old

C. five-years-old

D. five-year-olds

31.We all know that paper burns in _________ .

A. CO2 B. N2 C. O2 D. CO

32.Lisa is only an_____ girl，but she can draw very well.

A. 8-year-old B. 8 years old C.8-years-old

33.---- You like to surf the Internet. Do you know the meaning of “WWW”?

---- Of course. It means _______.

A. World Wide Work B. Whole World Weather

C. World Wide Web D. Whole World Warm

34.Don’t talk to Simon like that. He is just an _______ boy.