1. The _________ of the landscape was breathtaking.

• beauty

• beautiful

• beautifully

1. She _______ completed her training program.

• succeed (v)

• success (n)

• successfully (adv)

1. His ______approach to problem-solving was impressive.

• creativity

• creative

• creation

1. The _______of the night enveloped the city.

• darkness (n)

• dark (adj)

• darken (v)

1. The team made _______ to their strategy based on new information.

• adjustable

• adjust

• adjustments

1. His _______ with the situation was evident in his demeanor.

• happy

• unhappiness

• happily

1. She ________ her ability to finish the project on time.

• estimated

• overestimated

• estimation

1. Their _______of each other's intentions led to conflict.

• understand

• understanding

• misunderstanding

1. The scientist made a breakthrough in cancer _________.

• research

• researchers

1. His ________to quit his job was unexpected.

• decide

• decision

• decisively