19、--- I’m sure Tom will pass the final examination．

--- I think so．He            for it for months．

A．had been preparing                                   B．was preparing

C．is preparing                                              D．has been preparing

19、D

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：

--- I’m sure Tom will pass the final examination．

--- I think so．He            for it for months．

A．had been preparing                                   B．was preparing

C．is preparing                                              D．has been preparing

查看答案和解析>>


同步練習(xí)冊(cè)答案