—Tom, you didn’t come to the party last night?—I ______, but I suddenly remembered I had homework to do.
---May I have a word with you? ---______. I'm not busy, anyway.
The experts suggested the problem worth paying attention _____ at the meeting.
I wrote him a letter to show my _____ of his thoughtfulness.
_____ got on the train when it began to move.
---When did you move to Beijing? ---Last year. But I _____ in a school in Japan for 8 years.