1 . When________(see) from afar, the mangrove forests appear more splendid.(所给词的适当形式填空)

2 . Once r________, the results were published in the bimonthly magazine Psychology Today. (v. to make sth available to the public) （根据首字母单词拼写）

3 . After she graduated from medical college, she began to work at the PUMC Hospital. （用适当的非谓语动词改写句子）
After ________, she began to work at the PUMC Hospital.