He was about to make a call to Tom _____ Tom patted me on the shoulder.
——Well, Jane has many advantages, too. ——Oh, yes. _______ others are weak, she is strong.
Yesterday, I came across my former classmate, but his name ______ me, which made me embarrassed.
If Joe's wife doesn’t go to the party, ________.
——Did Tom come back late last night? ——No. It was not yet 8 o’clock ____ he arrived home.
Our school has about 100 computers, but only sixty percent ____ used regularly.