23. I wondered what difficulty he had _________ the plan?
It was in this house ________ the villagers held the secret meeting.
The little boy won’t go to sleep ________ his mother tells him a bedtime story.
He’s posted the letter, _________ he?
________ yourself at the end of the meeting if you have different opinions.
Johnny, you ________ play with the knife. You ________ hurt yourself.