How to answer these questions ?

1. What do we need to write with ?
Ans : We need to write with pens or pencils .
We need either pen or pencil

2. What do we need to put on when we go to the party ?
Ans : We need to put on a dress or a pair of trousers when we go to the party
We need to put on either a dress or trouser when we go to the party

Another question : Would you like a cup of tea ?
Ans : I would like a cup of tea or I like a cup of tea . ( which one is correct.)
I would like a cup of tea.

1. We need either pens or pencils.

2. We need either a dress or a pair of trousers when we go to the party.


Another question : Would you like a cup of tea ?
Ans : I would like a cup of tea or I like a cup of tea . ( which one is correct.)

答：I would like a cup of tea.

2008-03-13 12:17:17 補充：
1. We need either pens or pencils to write with.

2. We need either a dress or a pair of trousers to put on when we go to the party.