?乐于帮忙

... college students 大学生 be ready to help 乐于帮忙 visit the old people 拜访老人 ...

?准备好帮助

... Be Ready To Serve 准备好服务 be ready to do 乐意干某事 ; 甘愿答应干没事 Be Ready To Help 准备好帮助 ...

?准备提供帮助

... be ready to do sth 准备做某事 be ready to help 准备提供帮助 do +some/the +V-ing 泛指做某类事 ...