MR JOHN DOES NOT KNOW ____ THE LAWN MOVER AFTER THEY HAD FINISHED U...
4. Mr John does not know ____ the lawn mover after they had finished using it .
A. where did they put
B. where they did put
C. where they put
D. where to put
4. Mr John does not know ____ the lawn mover after they had finished using it .
A. where did they put
B. where they did put
C. where they put
D. where to put