Fill in the blanks in the following letters with the given words and expression .Change the form if necessary. appreciation assist express Look forward to greet helpful Dear Mr.Wood, Thank you very much for 1)_______ my daughter while she was in London. I know that she has already written to you 2)______ her gratitude,but I would like to show my own 3)_____.The introductions you made for her and the contacts and information she gained will be extremely 4)______. We are 5)____ the pleasure of 6)_____ you in Paris in the near future. Sincerely, Mary Hu