1. 1) an 2) a 3) a 4) an 5) a 6) an
2. 1) it 2) it (these, those) 3) she 4) they 5) he
3. 1) are 2) is 3) are 4) am 5) is
4. 1) have 2) had 3) has 4) have 5) is
5. 1) This is a ruler 2) Where is the Maths? 3) Has he got a camera? 4) Ann is my friend 5) I have got a ruler
6. 1) October 2) Pen 3) Is 4) the Uk, я полагаю