第15题: [单项选择]No wonder Jack is gaining weight; he seems to _________ his activities to eating and sleeping. A. restict B. correspond C. contribute D. resort 参考答案:A 答案解析:四个动词都可以和介词to连用,但是意思不同;restrict to表示“限制,约束,使在限度内”,符合题意; correspond to表示“相应,符合”;contribute to表示“捐献,贡献”