选词并用其正确形式填空，有2项多余。

play a role in       believe in       after all       be enthusiastic about       take place       in some way feel like       on the other hand       make a difference       be ready to       look after       at least

【小题1】Everyone can turn off the light for just one hour to protect the environment, and we believe that a small action can ______________. That is the meaning of the Earth Hour.
【小题2】When you are off to a new high school abroad, you have to ______________ yourself carefully, especially when you are alone.
【小题3】The 18^th Asian Games just ______________ in Jakarta(雅加达) last year. And we are looking forward to the next one in Hangzhou in 2022.
【小题4】There are so many things to discuss in the meeting. I'm afraid that we need ______________three hours to finish it.
【小题5】Every coin has two sides. Taking the part-time job as an example, it helps you earn some spending money and experience. ______________, it takes your time and energy.
【小题6】A healthy diet can make people live longer. And a positive attitude also ______________ deciding how long a person may live.
【小题7】"Spell the word, spell the world." Our students said it confidently. They ______________ compete against the other contestants from other schools in the Spelling Bee competition.
【小题8】Everyone can tell that David ______________ mathematics. Wherever he goes, he carries his math books and whoever he meets, he talks about math problems.
【小题9】In the book Alice in Wonderland, Alice meets a lovely rabbit, a smart wizard and a happy cat. They all can talk and do things for her! Alice ______________ she is in a very nice dream.
【小题10】Stop blaming him for the mistakes he made, he is a child ______________. Everyone learns through mistakes and failures.