When he finished __________ ,he __________ a walk .

题目

When he finished __________ ,he __________ a walk .
A.reading,talked B.to clean ,took C.his homework,was taking D.reading,took
)Mr Smith __________ at this school since he ________ Xiamen .
A.has been teach,came B.has been teaching,came
C.taught,came D.has been teaching,has come

答案

选D