Question

Humming birds fly in Unique way.
e.g. in a unique
They move wings so fast that they
a)
can hover. This means they can stay
b)
in one spot in middle of the air,like
c)
a helicopter.Sometimes fly or hover
d)
upside down. They are the only birds that flies backward.​

Answer 1

a. so fast

b.can stay

c.fly or hover

d.are the