26个字母中有5个元音字母,它们是___________。
I’m sorry for being late.I wanted to be here earlier, but the traffic was too heavy.---__________.Please take your seat.
—The light in his room is still on.Do you know________?—In order to prepare for the coming exam.
He has few friends,________?________.So he feels lonely from time to time.
The mixture didn’t mix__________and tasted_________.
---Was anyone killed or enjuired in the typhone(台风)?---No.All the villagers ______to safe places with the government’s help.