用所给词的适当形式组成句子be play card they listen jean radio to be thest

They are playing cards.
Jean is listening to the radio.
Those students are cleaning the classroom.
They are typing letters.
They are jumping off the wall.
The bird is flying over the river.
Those boys are swimming across the river.
Here is another photograph.

1 They are playing cards.
2 Jean is listening to the radio.
3 Those students are cleaning the classroom.
4 They are typing letters.
5 They are jumping off the wall.
6 The bird is flying over the river.
7 Those boys are swimming across the river.
8 Here is another photograph.