（2015•长沙）——I called you last night , but you didn't answer. ——Sorry, Grace. I________I am A Singer when the phone rang.

题型：单选题题类：真题难易度：普通

——I called you last night , but you didn't answer. ——Sorry, Grace. I________I am A Singer when the phone rang.

A、am watching B、was watching C、have watched

举一反三

Mrs. Rice{#blank#}1{#/blank#} {#blank#}2{#/blank#}in the kitchen when I called her．

take place; make a difference; prefer; look through; lie on the grass;

be strict with;work closely with; connect to; solve; keep in touch with

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