A: Is that your physics teacher? B: That can’t be Mr. Lin. He to Hangzhou with his wife.
---There is ________ milk in the fridge. Please buy some on your way home. ---All right.
I guess Lucy can enjoy ________ at the dancing party.
Did Linda buy anything ________ her mother ________ her birthday?
________ went hiking last weekend because of the bad weather.
We ________ used computers years ago, but now they are everywhere.