If a rocket ship were sent to the equator toward the North P

这是过去时的虚拟语气 主句是 主语+ were,从句是主句+ would have done
这道题考的是你对过去式的虚拟语气的掌握情况
首先,were没有错
would 后面要+ have, 原句没有have
把be moving 改称 moved
所以两处错误.
所以是If a rocket ship were sent to the equator toward the North Pole ,the rocket would have also moved eastward.

如果火箭船被送往赤道走向北极，火箭也将东移。

If a rocket ship was sent to the equator toward the North Pole ,the rocket would also be move eastward.
a rocket ship 是个单数名词,所以后面用was.would be 后面用动词原型.