1) the, 2)a,3) no article, a, 4)an, the5) no article6) the 7)a 8)a9)a10) the11) no article 12) the 13) the, no article 14)the 15) no, the, the16) no, the . the 17) the 18) the 19) no 20) no, the 21) no 22) the, the 23) the, the24) the 25) the 26)) the 27) the 28) a29)no
1)The students are writing an exercise now.
2)The teacher is explaining the new material.
2) bought - to buy
3) will discuss - to discuss
4) took - to take
5) were - to be
1. ......., when it rained
2. +
3. ........ as I had other important things to do
4. +
5. I won't go to bed, .....