You can't imagine what difficulty we had ______ home in the snowstorm.
—Are you ready for Spain?—Yes, I want the girls to experience that __________ they are young.
Nancy enjoyed herself so much __________ she visited her friends in Sydney last year.
Peter was so excited __________ he received an invitation from his friend to visit Chongqing.
You can't borrow books from the school library __________ you get your student card.
She had just finished her homework __________ her mother asked her to practise playing the piano yesterday.