A.The helicopter can fly forwards, backwards, up, down, and sideways.B.The helicopter can hover in the air.C.The helicopter can land and take off from a flat roof.D.The helicopter has a single-bladed rotor on its top.
A.The helicopter can fly forwards, backwards, up, down, and sideways.
B.The helicopter can hover in the air.
C.The helicopter can land and take off from a flat roof.
D.The helicopter has a single-bladed rotor on its top.