表达焦虑（communication apprehension）就是沉默寡言，不苟言笑。

How can we express our _____ for your help? A: appreciation B: compliment C: comprehension D: apprehension

The publishing company offers their staff opportunities for______ in decision-making. A: apprehension B: appreciation C: presentation D: participation

More women are taking the initiative and invite men out, and many men say they view this new phenomenon with( )()( ). A: approval B: appreciation C: approving D: apprehension

But the silence which ______ the place filled me with apprehension, and when we walked in the back door which hung open, we saw people standing in the kitchen. A: hung about B: hung off C: hang D: hang about