Read extracts 1 and 2 below, which have missing sentences. Try to predict what each missing sentence is about. Then look at A-D and choose the sentences that are closest to your prediction.
1 Be careful when you choose a leisure activity because some activities take up a lot of time or effort. ____________Find out what an activity needs before. you begin, and you won't have wasted your time.
2 If you think you have hurt yourself while exercising, stop immediately. ____________As a result, they end up with worse injuries, so it takes them much longer to get better.
A. This is important if a doctor has told you to rest.
B. This means that you may become discouraged and give up because it is too demanding.
C. Too many people try to continue, despite the pain.
D. Then they find that it doesn't interest them as much as they thought it would.