Susan wants to exercise more and learn a musical instrument at the same time.
Ted wants to have a bike, so he must save money to buy it.
Here are some main sentences for your reference. You'd better organize the language for the rest.
I really want to remind you that English composition is a necessary way for you to learn to integrate the words, grammar and everyday language you have learned. It will also exercise your English thinking. You'd better try to repeat it after writing. If you often put your homework online without thinking and attract others to help you with your homework, not only will your English ability decline, but your memory of other things will also decline.