—Can you tell me how to make apple juice?—Sure. Please watch carefully and you will see how it .
____tall trees they are!
The old man _____ under a big tree is holding a _____ pole in his hand.
---How do you learn English words ? ---______ making flashcards.
Do you know the man _____ is sitting behind Nancy ?
I’m not sure ,but he’s supposed ______ sometime next week.