B,

1. It was a beautiful day my friend and I went for a picnic.

2. We took a bus to the countryside and walked 20 minutes to a picnic site on the river.

3. We played games blind man's buff and "what song is it"?

4. We arrived home very late in the evening.

C, 

1. The teacher told students to listen the news carefully.

2. They had to work hard during Christmas. 

1 It was a baeutiful day so my friends and I went for a picnic.

2. We took a bus to a countryside and walked about 20 minutes to the picnic site by the rive.

3. We played games called ''what song is it'' and blind man's buff.

4. We arrived home very late in the evening.