Common Redundant Usages to Avoid: Directions: Each of the following sentences is divided into four parts: (A), (B), (C), and (D). One of these parts contains a redundant expression. Identify the part that contains the error. If there is no error, choose (D) as your answer. He was instructed to connect together all control systems before initiating the pre-launch verification.

Directions: Each of the following sentences is divided into four parts: (A), (B), (C), and (D). One of these parts contains a redundant expression. Identify the part that contains the error. If there is no error, choose (D) as your answer. He was instructed to connect together all control systems before initiating the pre-launch verification.