【2015·湖北】When he was running after his brother, the boy lost his ___ and had a bad fall.
To the parents’ worry, some middle school students are ______ computer games and completely forget their studies.
It was in 1969 ______ two Americans went to the moon by spaceship.
My mother insisted that I _____to school on foot.
Since Margot found it difficult to settle in a new place, she felt ______ that the family had to move.
The engine of the ship was out of order and the bad weather ______ the helplessness of the crew at sea.