THE STIMULUS HAS BEEN FOUND TO BE EFFECTIVE.

Question

8. The stimulus has been found to be effective.

Accepted Answer

Answers to Exercise 1: 1. The books were heavy. 2. The trains have left. 3. The birds were singing. 4. The doors were closed by the superintendent. 5. The shoes fit well. 6. The parcels are being o...

THE STIMULUS HAS BEEN FOUND TO BE EFFECTIVE.

8. The stimulus has been found to be effective.

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