—Can he work out the maths problem?—I think ______ hard for him to work it out.[ ]A. it's B. th

题目简介

—Can he work out the maths problem?—I think ______ hard for him to work it out.[ ]A. it's B. th

题目详情

—Can he work out the maths problem?
—I think ______ hard for him to work it out.
[     ]
A. it's  
B. that's  
C. this is    
D. they're
题型:单选题难度:中档来源:同步题

答案

A

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