补全对话。
what about   what are   what doing  speak to  they can’t
（1）_______is the tiger __________?  It is walking.
（2）can elephant climb trees?   No, ________________
（3）the mother panda  is eating. ______________the baby panda?
（4）hello, can I__________mike,please?
（5）__________ they doing?  They are eating bananas .