Question

【题目】He is working hard to (把……争取回来) the support of his teacher.

Answer 1

【答案】wi；ack
【解析】句意：他正努力学习，争取赢得老师的支持。work hard to固定短语，“努力做......”；win back固定短语，“把……争取回来”，因此答案为win back。