Is your mother a worker? No. she __________.A used to B was used to C used to be D used
—I am going to study in the USA next year!—________
Would you mind________the door? It's so windy and I feel so cold.
The woman ________ bought a doll for me is my aunt.
Tim won the first prize in the piano competition. His parents ________him.
________exciting it is to swim in the sea while it is hot!