单选题 He raised his glass and ______ her with his last mouthful.
【正确答案】 D
【答案解析】toast意为“烤,烘(面包等),提议为…干杯”,符合题意;roast意为“烤,烘(肉等)”;boast意为“自吹自擂,自夸”,后常跟介词of (about);coast作动词时,意为“沿海岸航行,(沿着山坡向下)滑行,惯性滑行”。句意:他用剩下的最后一口酒向她举杯致贺。