Mike said he was thinking about _____ the maths problem at that time.[ ]A. which to do B. what to do

题目简介

Mike said he was thinking about _____ the maths problem at that time.[ ]A. which to do B. what to do

题目详情

Mike said he was thinking about _____ the maths problem at that time.
[     ]
A. which to do                
B. what to do    
C. how to do                  
D. why to do
题型:单选题难度:中档来源:同步题

答案

C

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