Read and fill 根据上下文，选择合适的词将下面的短文补充完整。  
[ tree, are, day, play, watch, playing, watching, house, happy, is, reading, leaves, look ]
It’s a sunny     .The students      going on a field trip. They are having a good time.        ! Chen Jie is collecting      .Zhang Peng is        football under a big      .John is        a storybook. Sarah is        insects. Mr Black       drawing pictures. They are very      .
Read and choose 阅读理解。