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题型：单选题题类：模拟题难易度：普通

—Linda, I called you this morning, but nobody answered the phone.
—I'm sorry. I a picnic with my family then.

A、have B、had C、am having D、was having

举一反三

Last night, I _______ computer games when my mother came into my bedroom. You can't imagine how embarrassed I was then!

— Oh, dear ! A power cut!

— Sorry, I didn't know you the washing machine.

While she , I was watching TV.

—I {#blank#}1{#/blank#}(shout) to you at the gate, but you didn't hear me.

—Really? I {#blank#}2{#/blank#}(call) my father then.

While Mike _______ for his dog, he fell into a river.

I turned on the TV. Someone knocked at the door. (When someone... just)

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