Questions 1-4 refer to the following e-mail from a teacher to a student.

Dear Charlie,

Thank you for your e-mail about the volunteer program at the Sanrin Shelter. I was (1)... in the kitchen before I started doing it, too. The people at Sanrin are very kind. They (2)...helping you to feel comfortable. (3)... to get used to something is to try it, so you should start working at Sanrin as soon as possible! If you are concerned (4)... any other detail, please send to me an e-mail.

Sincerely, 

Mrs. Hubbard,