I recently heard a story about a famous（1）

scientist

scientist

（science）.He was （2）

more creative

more creative

（creative） than a common person.He mentioned（提到） （3）

an

an

experience when he was 3."I tried to get a bottle of milk from the fridge but it fell.There was a sea of milk!I was afraid and I didn't know what （4）

to do

to do

（do）!"he said.
    His mother heard the noise（5）

and

and

got into the kitchen."I（6）

am considering

am considering

（consider） how to explain this to you now，Mum，" he said.Instead of punishing him，she said，"Robert，I haven't seen such a milk sea before!Would you like to play in the milk for a while？We will clean it up after that."Then，he did so.After a few minutes，his mother said， "Robert，whenever you make a mess like this，finally you have to do it by （7）

yourself

yourself

（you）."He used a sponge（海綿） and together they cleaned up the milk.
    His mother then said， "We failed to （8）

successfully

successfully

（successful） carry a big milk bottle with two tiny hands just now.Let's fill the bottle （9）

with

with

water to see if you can find a way to carry it." Then the little boy learned that if he grasped（抓緊） the bottle at the top with both hands，he could carry it without （10）

dropping

dropping

（drop） it.
    What a wonderful lesson!