Ответ:

task 1

1. hometown

2. place

3. population

4. biggest

5. transportation

6. bus

7. train

task 3

1. was

2. visited

3. walked

task 4

1. A

2. C

3. E

4. D

5. B

P.S. В task 2 может быть так: 1) road sign 2) road 3) forest/trees, но я не уверен.