1．Pick up one of our free information ________ (一片) at reception.
答案：sheets
2．By ________ (传统), it's the bride's parents who pay for the wedding.
答案：tradition
3．I could have asked her, but something ________ (阻挡) me from doing so.
答案：prevented
4．The exhibition has ________ (吸引) thousands of visitors from all over the world.
答案：attracted
5．These fish are found in ________ (浅的) waters around the coast.
答案：shallow
