高中英语-非谓语动词-不定式专项练习

高中英语-非谓语动词-不定式专项练习，扫描并关注下面的二维码，获取相关答案！

非谓语动词之不定式强化练 单选题 1. It's?important?________?you?________??walk?after?supper.? ? A. of； to? B. for； of? C. to； to? D. for； to?? 2. It's?very?kind? ________ ?you? ________ help?me. ??A. to； of? B. of； to? C. for； to ? D. to； to 3. It always takes me 20 minutes ______to school. A. go B. going C. to go D. went 4. It is our duty _______ our environment. A. to prot