The little boy is wondering whether it is true that all the planets all _ around the sun in the same direction.
A.revolve
B.involve
C.devolve
D.evolve
正确答案:revolve
The little boy is wondering whether it is true that all the planets all _ around the sun in the same direction.
A.revolve
B.involve
C.devolve
D.evolve
正确答案:revolve