英语，问个明白
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01protect ... from ...02look forward to03bring back04I look forward to/I am looking forward to05look forward to06a(an)²⁶07a(an)¹⁰08by oneself09upon it that10冠词01protect ... from ...02look forward to03bring back04I look forward to/I am looking forward to05look forward to06a(an)²⁶07a(an)¹⁰08by oneself09upon it that10冠词