阅读短文，根据短文内容补全单词。

      An old woman is going shopping with a basket. She is going by boat. The boat is going across (穿过) the

river. Her basket is e      1        now. Oh dear! Look! Her basket is in the w      2       . " Help! my basket is in

the river."

      A boy sees the basket. He says, " Don't worry! I can g       3       it! " He takes off his shirt and shoes.

" Look a       4       them for me, please! " he says, and j       5       into the river.

      A duck sees the basket. " I can go by b      6       ." It thinks. It gets into the basket. The boy is swimming in

the river. " Where's the basket? " He asks. " It's over there! " answers the woman. " It's behind you! It's under

that d     7      ." The boy gets to the basket. " Go away! " he says to the duck. The duck comes o        8        

the basket and swims away. The b        9       takes the basket back to the woman. " Oh, thank you very much."

says the woman.

      " Not at all! " says the boy. " Do you have my shirt and shoes, please? " " Yes, here you are. Oh! What's

this in the basket? " " It's the duck's e       10       ."