单词填空：根据句子意思和首字母填单词。

The boy's father was so t　　　　that he taught Edison how to send messages by telegraph.

how, much, safe, thank, play , be, invent , no, so , interest, must , ask

Thomas Edison was a great American 1.________  . When he was a child, he was always   2.________  questions and trying out new ideas. No matter  3.________  hard it was, he never gave up.

Young Tom was in school for only three months. His teacher didn’t understand why he had  4.________  many strange questions. Most of them were not about his lessons. The teacher didn’t want to teach Tom any 5.________ . He asked Tom’s mother to take the boy home. Tom’s mother taught him to read and write, and she found him  6.________  a very good pupil. He learnt very fast and became very  7.________ in science.

One day , he saw a little boy   8.________ on the railway tracks at a station. A train was coming near quiclly, and the boy was too frightened to move. Edison rushed out and carried the boy to  9 .________. The boy’s father was so  10.________  that  he taught Edison to send messages by telegraph.

Thomas Edison was a great American inventor He was in school  1  only three months．His teacher didn’t understand   2  this new pupil had so many strange questions．Most of the questions had nothing  3  with his lessons．The teacher didn’t want to teach Tom  4  ．He asked Tom’s mother  5  the boy home．Tom’s mother taught him to read and write and she found him to be a very good pupil．He learnt very fast and became very  6  in science．When he was only ten，he built a chemistry lab for  7 ．

   At the age of 12，he started  8  his own newspaper．He printed it and sold copies on the trains．It was the first newspaper  9  on trains in America．

   One day in August，1862，Edison saw a little boy， 10  on the railway at a station．A train was coming near quickly, and the boy was too frightened  11 ．Edison rushed out and carried the boy to  12 ．The boy’s father was so thankful  13  he taught Edison how to send messages by telegraph．Edison soon became good at it and later left home to work in different  14 ．This gave him a new start in life． 15  ，he was only 16．

1．A．in                      B．since                      C．for                        D on

2．A．what                        B．why                       C．how                             D．when

3．A．to do                        B．do                          C．doing                     D．does

4．A．more                        B．no more                  C．any more                      D．any

5．A．to take                   B．take                        C．takes                     D．took

6．A．interesting                 B．interested                C．interest                  D．interests

7．A．himself                     B．him                        C．his                         D．itself

8．A．writes                   B．wrote                    C．writing                   D．written

9．A．sold                         B．selling                     C．sells                       D．sell

10．A．played                    B．plays                      C．playing                   D．to play

11．A．to move                  B．moved                    C．moves                   D．moving

12．A．safe                        B safety                        C．safer                      D．safely

13．A．what                      B．which                     C．that                       D．when

14．A．city                        B．country                   C．village                     D．cities

15．A．At this time             B．When                     C．At that time             D．Now