ms ________ to our modern world, where everythingis a rush and we try to cram as much into every minute as possible, but if notbusy, we feel unproductive and lazy.

下列句子没有语病的一项是

The couple look very excited,because their only son has been________to Hong Kong University. [ ]

ys followed the marks that they ________, untilfinally they found their way back to the campsite

中国近代第一个正式实施的学制是（）。