We can get a lot of useful information on the Internet; ______, the Internet also provides us with a new way of communication.
Jenny ________ have kept her word. I wonder why she changed her mind.
I was really anxious about you. You ________ home without a word.
Tom ought not to ________ me your secret, but he meant no harm.
We ________ last night, but we went to the concert instead.
—I’ll tell Mary about her new job tomorrow. —You ________ her last week.