He can’t get into (进入)the room. He _____ a key.
As children_______, they learn from their experiences and form a picture of what the world is like.
I don’t know if he_______, if it_______tomorrow.
---I hear Tina_____to appear in the advertisement. Is that true?---Oh, yes. She is busy preparing for it these days.
---Listen! Kate is singing in the classroom.----It_____be Kate. She has gone to the Library.
The songs of Coco sound________. Her CDs sell_______.