来自石双双的问题
()yourfatherandmothergoingtobuysomebooks?A.IsB.Are
()yourfatherandmothergoingtobuysomebooks?
A.IsB.Are


()yourfatherandmothergoingtobuysomebooks?A.IsB.Are
()yourfatherandmothergoingtobuysomebooks?
A.IsB.Are
选B哦!