This is the very information _______ we can learn what is selling best in the market. .
Students are encouraged to _________ the design competition for robots at the university.
The plan has to be _______ to meet the real situation.
Have you ever listened to the song Yesterday once more, ________ singer died in her early years?
Mary felt sad over the loss of photos she had shot in Australia, ______ that was a memory she especially treasured.
As the busiest woman in the village, she made _____ her duty to look after all the other people’s affairs in that village.