to develop or grow rapidly; flourish A: angst B: burgeon C: aptitude D: stark

I was so ________(紧张)that I forgot to give them to you. A: anxiety B: anxious C: worry D: angst

characterized by conflict, disorder, or confusion; not controlled or calm; moving unsteadily or violently A: angst B: hamster C: meager D: turbulent

feeling of anxiety, guilt or remorse, esp. about the state of the world; strong anxiety and unhappiness, especially about personal problems A: angst B: agility C: resonate D: acronym