We should all remember that some great scientific discoveries _____________ by chance.
His mother kept telling him to his manners at the party.So he became impatient.
If you talk about it with me,please wait till I finish my work at hand.
—Did you arrive here this morning? —Yes,it was at nine o’clock we came here.
Our graduation party was success.We sang and danced until it came toend at ten o’clock.
I would like you to my birthday party,but I was busy and forgot to call you.