---HowmuchshallIpayforthephonecall?---You________．Thisisfreeofcharge．A

发布时间：2020-08-06 18:15:46

---How much shall I pay for the phone call?---You ________．This is free of charge．A.shouldn'tB.can'tC.needn'tD.mustn't

网友回答

C解析由后面的“This is free of charge”可知“不必付钱”。needn't“不必”。shouldn't“不应该”；can't“不能”；mustn't“决不能”。
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