1. (2016八上·吴江期末) 根据句意，在答题纸标有题号的横线上，写出括号内所给单词的适当形式。每空只写一词。

1. （1） Look! The baby's(tooth) are coming out!

3. （2） When the temperature(drop) to 0℃, the water will become ice.

5. （3） 一Doctor. I feel even(ill) today than yesterday.

   一Let me take a look.

7. （4） The article is quite good except for a few(spell) mistakes.

9. （5） 一What a building! Do you know its exact(high)?

   一Yes. It's about 118 meters high.