The Turners consider ____ a computer, which is commonly considered _________ a great help in our work and study.
They knew nothing about ______ he was a thief.
We were all worried over _______ you were sick.
“You went late _______ the stadium yesterday evening, didn’t you?” “Yes, my wife was a little late _______ the supper.”
In the west, people make _______ a rule to send Christmas present to their relatives and friends.
_______ was known to them all that William had broken his promise ______ he would give each of them a gift.