题目

As you grow rapidly through your teenage years，you will experience a lot of changes. The changes may seem difficult and they may seem to happen quickly. Don’t panic！You will deal successfully with them！You are a young adult now! With more responsibility，you will find more freedom to make your own choices. This is a time to be well informed about your choices so that you can make healthy balanced decisions that will help shape your future. You may already know your career path or you may have no idea at all what you want to do. Both situations are fine！Work hard and the rSuch a long distance ________ that they were all exhausted．A.they were covered withB.did they coverC.would they goD.they had walked