重写句子:Fossil fuels are non-renewable. We need to find alternative energy sources. (compound sentence)
Fossil fuels are non-renewable, so we need to find alternative energy sources.
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重写句子:Weslippedontheroadwhenwecouldseenolightsintheheavyrainthatnight.(periodicsentence)
Sicknessoften_______eatingtoomuch.
Itmakesgood________tobringanumbrella;itseemstoberainingtoday.
Ifyouaretoo________ofyourchildren,theywillneverlearntodealwithdifficultiesinlife.
重写句子:Theteacherreturnedthehomework.Theteachernoticedtheerror.(complexsentence)