题目内容
—Where was your brother at this time last night?
—He was writing an e-mail _______ I was reading Reader's Digest on the sofa.
A. as soon as B. after C. while D. Until
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题目内容
—Where was your brother at this time last night?
—He was writing an e-mail _______ I was reading Reader's Digest on the sofa.
A. as soon as B. after C. while D. Until