(     ) 1. I             a manatee. I            water and vegetables.

A. am like, am like                            B. like, like

C. am like, like                                 D. like, am like

(     ) 2. There        be a lot of manatees, but now they         endangered animals.

A. used to, become               B. would, become 

C. used to, have become                   D. would, have become

(     ) 3. The well is too dangerous. We’d better          or it may hurt other people.

A. pull it down     B. pull down it       C. sit down            D. sit it down

(     ) 4. Be careful of the dog! It’s         . Keep away from it.

A. gentle              B. aggressive         C. lovely                D. interesting

(     ) 5. Do you think zoos are like           textbooks for young people?

A. living               B. live in                C. alive                  D. lived

(     ) 6. —What’s this scarf made           ?  —Silk.

A. of                   B. from                 C. in                     D. by