Complete the sentences with the given words in their proper forms（用所给单词的适当形式填空）
He showed me quite a few ________ of Beijing last night. (photo)
Our monitor is always the _________ to arrive at school. (one)
Thank you, but I can manage to do it by ______ (I).
Look! The four ________ are going camping in the park. (Canada)
We should help ___________ people live a happy life. (home)
She is making the ________of flour and water. It smells bad. (mix)
Finally, Shenzhou 7 Spaceship landed on the Earth ________.  (safe)
What bad ________ for Tom! He dropped the baton during the race. (lucky)