单选题 After a long walk on a hot day, one often feels______.
【正确答案】 D
【答案解析】解析:(注:该答案先从exhaust解释起)exhaust vt.use/finish all;use up completely;make empty用尽,耗尽;(引申)使筋疲力尽(to exhaust oneself/one’s strength by hard work“勤奋工作使自己筋疲力尽”)。be exhausted a.筋疲力尽的。