Directions: Choose the correct set of articles to fill in the blanks: (Use 'X', if there is no article)
_______ endoscope is _______ illuminated optical, typically slender, and tubular instrument used to look deep into _______ body and used in _______ procedure called endoscopy. Endoscopes use tubes that are only _______ few millimeters thick to transfer illumination in one direction and _______ high-resolution images in real-time in _______ other direction, resulting in minimally invasive surgeries.
1
X, the, X, a, a, an, the.
2
The, an, the, an, X, the, the.
3
An, an, the, a, a, X, the.
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A, the, X, a, a, the, X.