Complete the passage with the correct form or tense of the words in the brackets

I.complete the passage with the correct form or tense of the words in the brackets
Television first(1)______(appear) some fifty years ago in the 1950s. Since then, it has(2)_______(be) one of the most popular souces of(3) (entertain)_______for both the old and the young. Television can(4)_______(actual) satisfy almost all kind of taste. It offers cartoons for children, world news, music and many other programs. It someone(5)_______(interest) in sports, for example, he can just choose the right sports channel. There he can enjoy a broadcast of an(6)_______(nation) football match while it is actually happening. Television is also a very(7)_______(use) way for companies to advertise their product.
It is not too hard for us(8)________(see) why there is a TV set in almost every home today. Add, engineers are developing(9)_________(interact) TV which allows(10)_____________(communicate) between viewers and producers.