Sally is ________ of the twin sisters (双胞胎姐妹) .
– How do you learn English words?– _________ making flashcards .
We can’t work out the physics problem. Can you tell us _________?
I’m now in New York with my friend Jenny. We _________ by plane on Monday.
Since2000, it has become a new town. Everything _________.
–Dave, we will leave in10 minutes. Are you ready?– No, I ________ our guide book and towels yet.