4. a. been b. to be c. being d. be
B. Read the passage carefully , then choose the correct answers ( 1 mark )
Completing a marathon is considered very difficult , but many coaches believe that it is possible for
anyone who is willing to put in the time and effort .Obviously ,most participants do not run a marathon to
win .More important for most runners is their personal finish time and their placement within their specific age
group and gender . Another very important goal is to break certain time barriers. For most runners , the
marathon is the longest run they have ever attempted . Many coaches believe that the most important element
in marathon training is the long run . During marathon training , ad-equate recovery time crucial . If fatigue or
pain is felf , it is recommended to take a break for a couple of days or more to let the body heal.
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