Lcchang I think the answer is "must"; however, the answer key says "must have been". Why? If your transcription is correct, the answer key is wrong.
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LcchangI think the answer is "must"; however, the answer key says "must have been". Why?If your transcription is correct, the answer key is wrong.
LcchangI think it's "must not have spoken", while the answer key says "must not speak."He must not speak English = I think he does not speak English (then, now, or any ti