— How do you relax in your free time?
— ________ doing sports and listening to music.
At
On
In
By
— What’s your telephone number? — ________ 86352356.
—What’s _______ name? —_______ name’s Gina.
_______ name is Eric and ______ name is Mary.
This is Ms. Liu. ________ is my friend.
不明飞行物的英文缩写是_______。