Answer: 1. fragment. 2. complete. 3. fragment. 4. complete.
Explanation: Number 1 is missing a verb. Number 2 has an implied subject (understood you). Number 3 is missing a subject. Number 4 is a complete thought with a subject and a verb.
the answer is A- Because he is afraid he is losing his mind
Ibrahim suggested it would be a good idea to go to the park for a walk.
Frank refused to forgive Martha after what she had done.
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