I. Write the answers.(根据题意,写出答案。)1. The black dog is _ (thin) than the white dog.2. This balloon is _ (big) than yours.3. My bag is _ (heavy) than yours.4. John is _ (strong) than Mike.5. I am_ (short) than Lucy.II.用所给词的正确形式填空,每词用一次。young long tall heavy old thin1. Monkeys tail is _than the rabbits tail.2. Dick is 11 years old. Nina is 12 years old. Dick is _than Nina.3. Im 140 cm _.4. Im 40