There is a widespread belief in the United States and Western Europe that young people have a smaller commitment to work and a career than their parents and grandparents and that the source of the change lies in the collapse of the "work ethic."
a smaller commitment to work and a career than their parents and grandparents
less of a commitment to work and a career than their parents and grandparents
a smaller commitment to work and a career than that of their parents and grandparents
less of a commitment to work and a career than their parents and grandparents had
a lessening of the commitment to work and a career that their parents and grandparents had
为什么是HAD不是DID?就算是时态变换不也应该是DO换成DID吗?真的实在搞不懂GMAT的套路。。。
have的过去式不就是had,had和did都可以
登录 或 注册 后可以参加讨论