Mrs.Smithlockedboththefrontandthebackdoorsbeforeshewenttobed______thatsomeonemightstealintothehouseatnight.
Iwilldotheclearingifyousee_____thelunch.
改写病句：Shakespearewrotecomedies,tragedies,romances,andtheplayswhichwerebasedonhistoricalevents.
______wecanhopeforistoavoidcompletefailureinthecominggamewiththatstrongteam.
5岁小儿的正常血压约为（）
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