Time goes by so fast . We must never miss the chance to show love for our parents and make them _____ how much they mean to us .
____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.