26、The experiment _____they had made a great contribution succeeded at last.

A. at which       B. to which       C. on which        D. to that

26、B

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

科目：高中英語 來源： 題型：

The experiment _____they had made a great contribution succeeded at last.

A. at which       B. to which       C. on which        D. to that

查看答案和解析>>

科目：高中英語 來源： 題型：

The experiment _____they had made a great contribution succeeded at last.

A. at which       B. to which       C. on which        D. to that

查看答案和解析>>


同步練習(xí)冊(cè)答案