ChineseathletesdidagreatjobintheWinterOlympicsinCanada．...

问题详情：

Chinese athletes did a great job in the Winter Olympics in Canada．It can encourage post-90s （90后） _______

A．work harder                          B．worked harder

C．working harder                        D．to work harder

【回答】

D

知识点：非谓语动词

题型：选择题