A 100－year－old man ran a marathon in Toronto on Sunday. He became the______ person to complete the long－distance running in the world.

A. youngest B. best C. biggest D. oldest

—Helen, can I wear jeans and a T-shirt to the school talent show?

—OK, but a dress might be _____.

A. good　 B. bad　 C. better　 D. worse

—Your room is very dirty. You should keep it _____.

—OK. I’ll sweep it right away.

A. clean　 B. dry　 C. quiet　 D. warm

 Yao Ming is _______Chinese basketball player that ever played in NBA.

A. tall B. taller C. tallest D. the tallest

 Martha is a_____ girl. She always smiles and says hello to others.

A. shy   B. friendly   C. crazy    D. healthy ]

 You are doing great! I've never had_______ answer before.

A. better   B. best    C. a better    D. the best

The red pencil is 　 than the green one.

A. short　　　　　　　　　 B. shorter　　　　　　 C. nice　　　　　　　　　 D. the shortest

Eighteen kids died in the school bus accident in Gansu Province. It’s _____ one that I have ever heard of.

A. a very serious B. a more serious　

C. the most serious　　 D. the least serious

 The Old Town of Lijiang is ________ with tourists for its beautiful old buildings.

   A. popular          B. famous           C. special           D. different

Is this kind of pet ________________ a pet dog these days?

A. as trendy as　　 B. more trendier than　

C. much trendy than　 D .not so trendier as