Here are the answers with explanations:
41) A (do) - 'During the week, I do my homework in the evenings.'
42) C (after) - 'After that I watch TV.'
43) B (During) - 'During the weekend, I do some sports.'
44) A (at) - 'I always go shopping at the cinema with friends on Saturday night.'
45) C (always) - 'On Sunday, I relax at home and read a book or always go cycling.'