改写病句：Shakespearewrotecomedies,tragedies,romances,andtheplayswhichwerebasedonhistoricalevents.
Shakespeare wrote comedies, tragedies, romances, and some plays which were based on historical events.
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重写句子：Alan passed the test. Alan had studied hard. Alan had understood the material.(complex sentence)
Ifyouaretoo________ofyourchildren,theywillneverlearntodealwithdifficultiesinlife.