Everyone is supposed ________ a seat belt in the car.
The roller coaster there moved _______ high speed.
_______Smiths are going to Sunshine Town to visit their friends this evening.
— Would you like to Nanjing with us? — Yes, .
— How many members does your club have? — There are members in my club.
— Andy, are you learning Lesson this week? — No. We are learning lesson now.