Insert ,, Is,, in the sentences.
1 What you don't understand he's happy enough as he is.
2 What you need to do find something to occupy your time.
3 What Bob wants a bit of peace and quiet after a hard day at work.
4 What you could do arrange for both of you to go out with friends.
5 What your friends can do suggest some other activities outside the house.
6 What you really need to do stop worrying!​