1. Mrs. White spent 50 minutes shopping.
Mrs. White / 50 minutes
Mrs. White spent 50 minutes shopping.

2. Jane spent two hours watching the movie.
Jane / two hours
Jane spent two hours watching the movie.

3. Mr. Li spent one hour taking a bath.
Mr. Li / one hour
Mr. Li spent one hour taking a bath.

4. Mark spent all morning decorating the Christmas tree.
Mark / all morning
Mark spent all morning decorating the Christmas tree.

5. Sam spent all night studying English.
Sam / all night
Sam spent all night studying English.

6. Betty spent three hours listening to English songs.
Betty / three hours
Betty spent three hours listening to English songs.

7. Alice spent Saturday afternoon writing a letter.
Alice / Saturday afternoon
Alice spent Saturday afternoon writing a letter.