Can I say,<br/><br/>1 The plant was wilted in / on the drought. <br/><br/>2 The plant wilted after / during / when / while the drought. <br/><br/>3 The plant has wilted on the drought day.<br/><br/>4 The plant wilted because it was drought / because of the drought. <br/><br/>5 It wilted on / in / because it was the drought weather.