用适当形式完成短文

I  (go) climbing with some friends last year. It  (be) a nice day in autumn. We  (have) a picnic at 13. The food  (be) good, but we (not have) anything to drink. Leo wanted  (buy) some drinks. We  (wait) for him for a long time. "Leo  (leave) half an hour ago, " Jack  (say). "Let's  (go) and look for him. " We  (find) Leo nearby. " I  (fall) over and hurt my leg, " he (tell) us. We  (take) him to the hospital.