问题
选择题
The announcement ______all flight were cancelled because of bad weather greatly distressed the waiting passengers.
A．that
B．which
C．why
D．of which
答案
答案：A
考查同位语从句。用that 解释前面的名词The announcement，句意：通知就是由于坏天气所有的航班被取消了，这个通知使正在等在的乘客和恼火。所以选A。