Prices of daily goods ___________ through a computer can be lower than store prices. 
#88685
A
are bought
B
bought
C
been bought
D
buying
推荐题目
____ 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