If you are weak _____ a subject, ______ and asking a teacher for advice can help.
Dick never eats vegetables,so this is not a ________ life.
________ Mike ________ his homework in the evening?
We always ________ after school.
I often take a bus to school,but ________ I go to school by bike.
Tom is in good health,because he often exercises and eats a lot of healthy ________.