Mr Herpin is one of the foreign experts who ____ in China.
A.works　B. is working C. are working D. has been working

練習(xí)冊系列答案
相關(guān)習(xí)題

科目：高中英語 來源： 題型：

Mr. Herpin is one of the foreign experts who ___in China.

A. works   B. is working          C. are working          D. has been working

查看答案和解析>>

同步練習(xí)冊答案