The old man used _____ in front of his house and he has got used to _______ like that.
#96398
A
to sit; doing
B
to sitting; do
C
to sit; do
D
to sitting; doing
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____ in thought, he almost ran into the car in front him.
#94335
A
Losing
B
Having lost
C
Lost
D
To lose
The missing boys were last seen _____ near the river.
#97976
A
playing
B
to be playing
C
play
D
to play
Henry always forgets things he has done. Yesterday he forgot__________ and looked for it everywhere. 
#96752
A
to post the letter
B
to have the letter posted
C
to have posted the letter
D
having posted the letter