1.It is a good idea for me to do voluntary work
=> I ................
2.It is unnecessary for us to book seats for the theatre in advance
=> We .............
3.my parents never let me forget to do my homework'
=> my parents always ............
4.They don't allow me to stay overnight at my friend's house
=>they don't let............
5.he is interested in participating in social media
=>he is keen ...
6.his mother fobides him to play computer games
=>his parents don't allow .........
7.It's obligatory for every employee to keep the company's information secret
=>every employee ..............