题目内容：

A little joke

A woman is going shopping. She is going _______ boat. The boat is going across(穿过) the river. Her basket is empty(空的). Oh dear! Look! Her basket is in the _______.

“Help!” she says, “Look! My basket is in the river.”

A boy sees the basket. He says, “Don’t worry! I can _______ it! I’m a very good swimmer.” He takes _______ his shoes and shirt. “Look _______ my shirt and shoes, please!” he says and then jumps _______ the river.

A _______ sees the basket. “I can go by basket,” it thinks. It gets to the basket.

The boy _______ in the river. “Where’s the basket?” he calls.

“It’s _______ there!” calls the woman. “It’s behind you!”

It’s ________ that duck! The boy gets to the basket. “Go away!” he says ________ the duck. The duck ________ out of the basket and swims away. The boy takes the basket to the land.

“Oh, thank you!” says the woman. “Thank you very much!”

“Not at ________ !” says the boy. “________ you like to give me my shirt and shoes?

“Yes, here you are. Oh, what’s in the basket? It’s the duck’s ________.”

1.A.on B.in C.by D.to

2.A.water B.boat C.ship D.tree

3.A.clean B.buy C.do D.get

4.A.on B.in C.off D.up

5.A.after B.at C.for D.like

6.A.onto B.at C.into D.off

7.A.dog B.chicken C.duck D.monkey

8.A.is fishing B.is swimming C.is playing D.is flying

9.A.under B.in front of C.over D.behind

10.A.beside B.under C.on D.behind

11.A.at B.with C.to D.for

12.A.climbs B.throws C.jumps D.walks

13.A.once B.it C.all D.work

14.A.Are B.Do C.Would D.Could

15.A.meat B.hair C.hand D.egg