题目

promise to do sth. _________ 答案：【答案】许诺做某事【解析】promise许诺，promise to do sth表示许诺做某事。故答案为：许诺做某事。 _______ good use of learning resources such as the website and library, and you will make great progress. A. To make          B. Making            C. Make          D. Having made