You can go out, ______ you promise to be back before 10 o’clock.
He has always insisted on _______ Mr. Berg instead of Justin.
When Peter speaks in public, he always has difficulty ______ the right things to say.
As Jack left his membership card at home, he was forbidden ______into the sports club.
Soon children in the camp had many friends, _______ they shared food, stories and projects.
All the neighbors admire the family _______ the parents are treating their child like a friend.