1 . Looks on their faces show that they are frightened by something.

A．scared

B．shocked

C．disturbed

2 . In the fight against the pandemic, the world ________ the determination and strength of the Chinese government.

A．contributed

B．witnessed

C．frightened

D．suffered

3 . To be honest, what ________ me most is his kindness.

A．impresses

B．annoys

C．anxious

D．frightens

4 . Joad was a professional lion-trainer (训练师) and his co-workers were all _______ by his skills in training animals, especially lions.

A．confused

B．panicked

C．frightened

D．impressed