81.  After the ball, Mathilde looked down and saw that the necklace was not around her neck any more, they couldn't find it, it was lost .

82.  Though in cold weather, hen you see red thing and you will feel warm .

83.  I saw the Men's Team finals in the World Cup Table Tennis Match after study on my own in school last night.

84.  We haven't seen a perfect basketball playground for four years, we didn't have enough palace to play since we were in grade Two.

85.  Today I saw seven or eight children swim in the river.

86.  Seeing this scene, I remember that I used to swim in my childhood.

87.  We have the party with them to see them off.

88.  I went to the bus-stop at 8:30, I wanted you until 9:30, but I didn't see you come .

89.  Shall we go to see the film this evening?

90.  Have you ever seen sunflowers?