He always helps his students ,_____ he is verybusy.A but B a

He always helps his students ,_____ he is verybusy.A but B a Tim is always willing _____ others.A helping B helps C to he though he is a child but he always helps the other错在哪? 1,_____ a teacher,he is kind to his students.A .As B.When C. A:Where is Mr.Smith?B:He is standing _____ his students over He always goes swimming,_____ cold it is .a.however b.but c. He is popular _____ his students. A: at B: in C: for He always helps his brother ____his homework.A do B with my grandfather is a(an) ______person,because he always helps John is a good boy.He a( ) helps his classmates. _____.he is a nice person,but he doesn't always show it He is short but he looks _____ thin.A.a little B.a little of