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Mark the alternative that correctly fills in the blanks of the quote below according to the following indication: the present perfect of the verb TO BE1, the comparative form of the adjective STRONG2, the present perfect of the verb TO TEACH3, and the comparative form of the adjective GOOD4.
“Suffering _________ 1_________ 2 than all other teaching, and _________ 3 me to understand what your heart used to be. I have been bent and broken, but - I hope - into a _________ 4 shape.”
Charles Dickens