1.

came to (I, me) …. and gave me a note from (a, the) ….. friend (who, whom) ….. was a doctor. I (ask) … (help) …. (a, the) … man. I remembered that my friend (tell) ….. me of this man before. He had a very weak heart. I wondered if he wanted me (do) something (for, to) ….. him. "I (be)….. thankful to you if you (find) …..me a job that not (require) ….. (any, some) …. physical effort," he explained. The next day I (ring) …to a kind theatrical manager and asked if he had any work for an invalid. "If he (manage)….(stand) (for, during) .fifteen minutes, I (take) …him. He (act) …in the last scene in a play we (stage) now." (At, on) the first performance of the play I (see) … him standing near the front of the stage with a spear in his hand and looking very happy and proud. Some time later I learned from my friend, the doctor, that the man with the weak heart (fall) … in love (to, with) …a dancer and asked her to become his wife. (A, the)… woman (fall)…in love (to, with) … him too and one day she visited the doctor to find out about the man's health. She (make)… him (tell) her all the truth and fainted when the doctor told her that the man (die) … very soon. A month later while I (return) . from the party, I (meet) … my friend. He said that woman (write) … a letter to the man with a weak heart. Next day he (find) … dead in his room. It was joy that killed him because she (agree) … to become his wife.

2) Наречие.
3) Глагол.