all of us were ( )at the( )news.用哪个（aloud、suggestion、frustrate、add、specific)
问题描述：
all of us were ( )at the( )news.用哪个（aloud、suggestion、frustrate、add、specific)
答
前面一个用frustrate的过去式frustrated 表波动；后面用frustrat加ING现实，表修饰。和interested 与interesting 类似
答
frustrate,前面一个用frustrated 后面一个是frustrating
我们所有人都被这个令人沮丧的消息给打击到了