---Did you listen to the lecture given by the famous herbalist doctor Zhang Wuben? --- No, we ______ it. But we had a lot of traffic on our way.
He did not regret saying what he did but felt that he________it differently.
—I left my handbag on the train, but luckily someone gave it to a railway official. —How unbelievable to get it back! I mean, someone ________it.
They ________have arrived at lunchtime but their flight was delayed.
—Happy birthday! —Thank you! It's the best present I________ for.
We ________ have bought so much food now that Suzie won't be with us for dinner.