问题
选择题
This year’s National Day ____ in a practical way, which is reported in People’s Daily.
A．is to be observed
B．observe
C．observes
D．is to observe
答案
答案：A
考查不定式作表语，句意：今年的国庆节要以一种实用的方式被庆祝，这是在人民日报上报道的。根据语境是被庆祝，所以用不定式的被动式，选A。