Thestudentsarerequiredto________themainideasofthearticleintheirownwords.

Ifyou_______inbehavinginthiswayyouwillbringyourselfnothingbuttrouble.

句子写作：Mypresentationseemedtogowell.

英语翻译：thescienceofbioticcontrol

句子写作：Thepianoplayerbegantosingloudly.