13、The halls are lined on three sides with rows of elevated（逐步抬高的） benches overlooking a raised seat ____ to have been used by a lecturer to address students.

A．thinking   B．thought   C．is thinking      D．is thought

13、B

請(qǐng)?jiān)谶@里輸入關(guān)鍵詞：
相關(guān)習(xí)題

科目：高中英語(yǔ) 來(lái)源： 題型：

The halls are lined on three sides with rows of elevated（逐步抬高的） benches overlooking a raised seat ____ to have been used by a lecturer to address students.

A．thinking   B．thought   C．is thinking      D．is thought

查看答案和解析>>


同步練習(xí)冊(cè)答案