Human beings must try to ____ ways to solve the climate problem, and save the earth.

A. keep up with        B. catch up with      C. come on        D. come up with

1、D

請?jiān)谶@里輸入關(guān)鍵詞：
相關(guān)習(xí)題

科目：初中英語 來源： 題型：

Human beings must try to ____ ways to solve the climate problem, and save the earth.

A. keep up with        B. catch up with      C. come on        D. come up with

查看答案和解析>>


同步練習(xí)冊答案