Complete the sentences with the given words in their proper forms (用括号中所给单词的适当形式完成下列句子。每空格限填一词)  (共8分)
The snakes from Thailand don’t have many ________ in the United States. (enemy)
Our class teacher is a pretty woman and she always makes ________ attractive. (she)
The hotel on the ________ floor has a nice view of the Huangpu River. (eleven)
As we all know, computers are ________ used in business, science and technology. (wide)
The recent survey shows that many accidents come from ________ driving. (careful)
The weather was ________ last month and many people fell ill with colds. (change)
If you want to ________ in the future, you must put your heart into your work. (success)
Because of the heavy traffic jam, I missed the ________ of the exciting film. (begin)