Read and choose（在横线上写上相应单词的编号）：
A. green    B. seesaw    C. see D. bee E. nets
A. green    B. seesaw    C. see D. bee E. nets
1. Look, the __________ can fly.
2. --- What colour is it?    --- It's __________.
3. --- Is this a __________?  --- Yes, it is.
4. The __________ are blue and yellow.
5. I can __________ the big mouse.