---Mary, I heard there was an explosion in Luzhou. Could you tell me how it _______?---Sorry, I don’t know much about it either.
Be quiet!Our teacher has _________ to tell us.
Nearly________ of the surface of our planet is covered by water.
It's said that __________ is going to give us a lecture.
We had ___________ wonderful time _________the party_______ other day.
----Mary Beth, here you are! _________! ----Thank you for meeting me here, Betty.