01单项选择1.(2020新疆)8 Why don the doctors stop _ lunch? Because they are busy _ a patient.Ato have; to save Bhaving: saving Cto have; saving Dhaving; to save 2.(2020贵州铜仁)31.一Look! Kangkang, that old man is crossing the crosswalk.- Jane, lets_him.A. Helps B. to help C. helping D. help 3.(2020重庆A)26. They hope _the basketball match.A. win B. won C. to win D. winning 4.(2020重庆B)29