The  world’s population is growing ______, and there is ______ land and water for growing rice.

       A. larger; less   B. larger; fewer    C.more; less     D.more; fewer

---Are you afraid of dogs?

---Yes. I’m ______________ of them.

A. surprised　　　　　 B. terrified　　　　　　 C. embarrassed　　　　　　 D. excited

— Do you know sound travels very fast?

— Yes. But light travels 　　　 sound.

A. as fast as B. a little faster than

C. much faster than　　　　　　　　　　　　　　　　　　　　 D. slower than

— How will the boss be back?

— In these days.

　　　 A. far　　　　　　　　　　　　　 B. soon　　　　　　　　　　　 C. long　　　　　　　　　　　　 D. often

The____you work at your lessons, the____results you will get.

A.hard; good   B.harder; good    C.hard; better  D.harder; better

 Farmers have become ______ in our hometown in recent years.

A. more and more rich             B. richer and richer               C. more rich and more rich

 _____exercise you take, _____you’ll be.

A. The fewer, the fatter        B. The less, the fatter         C. The less, the more fatter

 I have great_____ in learning math and I am so worried.

A. trouble                           B. interest                                  C. fun

 A_____girl named Dong Xinyi looked after her disabled father.

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

The weather in Guiyang in summer is ______than that in Tongren. They’re different .

 A . cool                    B. much cooler           C. hot                         D. much hotter