1. In the sentence, "The detective used his keen observation skills to solve the mysterious case," what does the word "keen" mean?(1 point)

Responses

b) sharp and perceptive
b) sharp and perceptive

d) clumsy and awkward
d) clumsy and awkward

c) slow and lethargic
c) slow and lethargic

a) dull and uninterested

The correct answer is b) sharp and perceptive.

The word "keen" in the sentence means b) sharp and perceptive.

The correct answer is b) sharp and perceptive. To determine the meaning of the word "keen" in the sentence, you can use context clues and prior knowledge. In this case, the sentence is describing how the detective used his observation skills to solve the mysterious case. The word "keen" suggests that the detective's skills were sharp and perceptive, allowing him to notice important details and solve the case effectively.