Read then choose the best answer (A; B; C or D) to complete the gap

Dear Sir or Madam,
We are in Class B, Year 8 at Stonehouse School. Every year our class goes (1)     an    adventure holiday. This year we would like (2)         your center. We are planning (3)                                         away for the first week in May, arriving on Friday 2 May. There will be 15 boys and 15 girls in our party, and two teachers. We are (4)     in sailing, rock climbing, canoeing, and map-reading. Can you send us information about your center?
We look forward (5)     from you. Yours faithfully,
Class B
1. A. in    B. at    C. aver    D. on
2. A. attend    B. attending    C. to attend    D. to attending
3. A. go    B. to go    C. going    D. to going
4. A. interested    B. interesting    C. bored    D. boring
5. A. hear    B. to hear    C. hearing    D. to hearing