A．decisionB．conclusionC．discussionD．occasion

I only wear a tie on special occasions.（英译中)

The police could not find a motive for the murder.A.targetB.reasonC.discussionD.remark

_____________ 查看材料A.claimB.conclusionC.conceptD.exp

A．mistakesB．outlooksC．experiencesD．occasions

【S10】A．chanceB．moneyC．timeD．occasion

It in line 14 refers to______.A.the scientific credentialB.the experimental conclusionC.