Mr.White works in an import and export pany,but he for this industrial
fair,since he is on leave.
A. has worked
B. works
C. has been working
D. is working
网友回答
A. has worked
B. works
C. has been working
D. is working
解析： 考查动词的时态。本题选择现在进行时表示“临时、暂时做某事”。句意为：怀特先生在一家进出口公司工作，但是他在休假期间，在为这次工业展销会工作。