1.I don’t want to go to the concert, besides I have a lot of work to do.
2.These socks are not pair. They are different.
3.These gloves are expensive – besides they are too small.
4.Computers are a great invention of the 20th century.
5.We are so different – I like being at home, but Mary often visits clubs & discos.
6.-Why didn’t you call Helen? – But I did call her.
7. Either is fine, thank you.
8.None of us have seen today’s newspaper.
9.I offered him coffee or tea, but he didn’t want either.
10.I have two good friends, neither is my classmate.
11.He has various stamps, including rare ones.
12.Sir Alexander Fleming was a Scottish scientist who discovered penicillin.