1 The children were very happy as soon as they saw the star. 2 The camera is used having photography. 3 We aren't permitted to carry mobils with us in...side the museum. 4 You might not have permission to get in the museum if you pesisted in using your flash lamps. 5 I regretted that I would not call on you. 6 The children should be farway from the dangers. 7 We can be quite good at English if we study it with this manners. 8 It could has bad influences on our scores to play games. 9 The parents always worry about the safety of theirs children. 个人意见，仅供参考！