He became a famous singer after he sang the popular song
2 I can't help_ you,please speak louder
3 He spent the weekend afternoon watching TV
4 I think it is necessary_for students to have some hobbies in their free time
He became a famous singer after he sang the popular song
2 I can't help_ you,please speak louder
3 He spent the weekend afternoon watching TV
4 I think it is necessary_for students to have some hobbies in their free time