The little girl has been in a poor _____ of health since she was born, which has made her parents very worried.
Ladies and gentlemen, please ______ seated until the plane has come to a complete stop.
Please do me a favor —______ my friend Mr. Smith to Youth Theater at 7:30 tonight.
______ herself with other girls, she feels she is quite lucky.
— Lovely weather, isn’t it? — Yes, a bit hot, ______.
Canada has vast areas of wilderness, from the Arctic north, _______ average winter temperatures are usually -20 0C, to the border with the USA in the south, _______ is said to be the longest border in the world not defended.