语法与词汇
7.He's been blowing hot and cold about the trip to Holland ever since I first suggested it. The italicized phrase means______.
【正确答案】
B
【答案解析】blow hot and cold about意为“(对……)反复无常，摇摆不定，打不定主意”，如：He blows hot and cold about getting married．他对结婚犹豫不决。