After taking part in several rounds of competition, the athlete         won first prize.

There is ____ nothing interesting in his speech.

Qingdao is ＿＿＿＿＿＿＿ beautiful city in summer. 

Please drop ＿＿＿＿＿＿＿ my home when you are free. 

I cannot thank you ______ much of your kindness. I owe my success to you.