用所给词的适当形式填空①To make a sandwich, we need two {#blank#}1{#/blank#} (slice) of bread, some vegetables and some meat.
② It rained hard yesterday, but {#blank#}2{#/blank#} (luck) we brought our raincoats and didn't get wet.
③Ted told us an unusual story {#blank#}3{#/blank#} (call) Mystery steps.
④ Cindy had fun {#blank#}4{#/blank#} (make) flashcards with her cousin.
⑤ How old was Laura when she became a {#blank#}5{#/blank#} (skate) champion?