主格 they宾格 them所有格 their形容词性物主代词 their名词性物主代词 theirs 扩展资料Phone them up and find out when they are coming.给他们打个电话，问问他们什么时候来。
They questioned the accuracy of the information in the file.他们怀疑档案中信息的正确性。They are now living together on a permanent basis.他们现在决定长期同住
