--Jim, put the things away and tidy（整理）your room.-- Well, but I have ____ work to do, Dad. 

---How can I improve my reading?---I think the most important is to ______ a good habit of reading.

 ---______ is the price of your computer ?  ---4800 yuan  .

 —________ do you like pandas?  —Because they are beautiful and smart. 

This book is ___hard  ___understand.