READ 1:

1, Alexander Graham Bell was born in 1847 in Edinburgh, Scotland.

2, He worked with deaf-mutes at Boston University.

3, Thomas Watson was Bell’s assistant.

4, He demonstrated his invention at a lot of exhibitions.

READ 2:

1, She always has a little notebook with her.

2, She tries to fill one page a day.

3, She puts words in groups.

4, She writes regular verbs or irregular verbs, or a page of prepositions.

II

1, in

2, on

3, at

4, at

5, at; at

6, on

7, between

8, at

9, on; in

10, with; in

III

1, do

2, Did (he) buy

3, to become

4, doing

5, is going to rain

6, did (you) go

7, have studied

8, goes

9, goes; didn’t go

10, wrote

11, did (you) go

12, make

READ 1

1. In USA, in the 1870s

2. Bell started experimenting with ways of transmitting speech over a long distance

3.Bell's assistant

4. A lot of exhibitions 

READ 2

1.A litte notebook 

2.One page

3.In group

4.Regular verb or irregular verb, or a page of prepositions

II)1.in/2.on/3.at/4.in/5.at,on/6.to/7.bewteen/8.at/9.on,in/10.at,on

III)1.do /2.Did,buy/3.to become/4.doing/5.is raining/6.did,go/7.have sutdied/8.goes/9.gose,did't go/10.wrote/11.did,go/12.makes