(4)It has taken us several million years to ______ from the apes. A. solve B. evolve (5)It was ______ of you to share your food with me. A. generous B. nervous (6)They are afraid of changes, because changes make life more ______ and risky. A. predictable B. unpredictable (7)This college has a good academic ______ . A. report B. reputation