【題目】— Did you notice _________ in his office?

— Yes, he was going over our homework.

A.what Mr. Li was doingB.how was Mr. Li doingC.how Mr. Li was doing D.what Mr. Li is doing

【答案】A

【解析】

句意：——你注意到李老師在辦公室里做什么了嗎？ ——是的，他正在檢查我們的作業(yè)。

考查賓語從句。根據(jù)英語語法，賓語從句應(yīng)用陳述句語序，B選項可排除。根據(jù)答句he was going over our homework可知，問句問的是李老師在辦公室里做什么，從句不能用現(xiàn)在進行時，C選項排除，且答句時態(tài)為過去進行時，故賓語從句應(yīng)用過去進行時，故選A。

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