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题目
Do you always spend a lot of time ____ computer?--- No,but I spent much time ____ my homework
Do you always spend a lot of time ____ computer?
--- No,but I spent much time ____ my homework 
 x05
A.x05
on; doing 
 x05
B.x05
in; doing 
 x05
C.x05
on; to do 
 x05
D.x05
in; to do

提问时间:2020-07-26

答案
A spend...on sth spend .doing sth
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