Dear Peter,   

    I'm writing to tell you about what happened to me last week while I{#blank#}1{#/blank#} (visit)my aunt．One afternoon I{#blank#}2{#/blank#}(take)her dog for a walk when I{#blank#}3{#/blank#}(notice)a girl climbing a tree by the edge of the cliff(悬崖边)．Suddenly-the branch(树枝){#blank#}4{#/blank#} (break)and the girl{#blank#}5{#/blank#}(fall)over the edge．I{#blank#}6{#/blank#}(think)about what to do when a man{#blank#}7{#/blank#}(come)along the road．I{#blank#}8{#/blank#}(explain)what had happened and when he{#blank#}9{#/blank#}(go)for help，I{#blank#}10{#/blank#}(talk)to the girl．Well，everything ended happily．

    That's all my news．Write and tell me yours soon．

Yours，

Lucy.

— Last Friday, while we________ a Geography lesson.

—I ______ the classroom.

— I hurt it while I ___________ a model plane.

— Sorry! When I                  home, I met one of my old friends.