Laura lived in a small village near the sea. One day she decided to go for a swim in the sea. She knew that the sea near the1had a strong tide(浪), but she was a good swimmer, so she wasn't 2. Laura left her friends lying on the sands and ran into the sea. She swam quite far out from the beach and waved（招手）to her friends in the distance. After a short while she decided to swim 3. She tried her best, but she couldn't get any closer to the beach. The tide kept4 her back. She waved her arms in the air to let her friends know that she was  5, but they just waved back, for they didn't know what she 6. After a long time, Laura become very 7  and she couldn't swim any more. Her legs8and she lost hope. Suddenly, her foot touched 9! All the time she had been swimming in a place where the water wasn't deep! When at last she went back to the beach, one of her friends asked," Did you10 your swim?" "Yes, it was lovely," she answered. She never told them what really happened.