—What have you learned from your experience in England?—Well, meeting people from another culture ______ be very difficult.
Joan is one of the best writers who __________ published a lot of books.
It is the first time that I __________ the video of Gangnam Style.
I have heard a lot of good things about you __________ I came back from abroad.
John thinks it won't be long __________ he is ready for his new job.
We are proud of our village, for, you see, it is __________ beautiful than this picture.