They often do sports, ______ swimming,running and playing football.

Have you ever wondered why some of thesmartest students in your class sometimes ________ failing exams

g and running are the oldest andnewest, excellent _________ exercise for all ages and fitness levels

A: __________ lessons do we have on FridayB: We have English, Chinese, maths and history.

13.Early this year the government decided to _______ the devement of agriculture.