b. You can ride it. It has four legs and a tail.
c. It has four wheels and it is long. It has one driver but many passengers.
d. It can move but not on the road. It can also float.
e. It moves on the road. It is large and it carries heavy goods.
f. It has two wheels and an engine.
g. It has two wheels and no engine.
How about the answer for these things?
Bicycle horse coach aeroplane
car lorry ship motorbike