Put the words into the correct column

I. Put the words into the correct column.
lunch  far  smart  study  hard
sharpener  compass  schoolyard  subject  alarm
rubber  Sunday  month  large  fast
/a:/  /ʌ/II.

IIChoose the word whose underlined port is pronounced differently from the others.
1. A. computer  B. compass  C. fun  D. month
2. A. card  B. farm  C. art  D. share
3. A. eat  B. breakfast  C. teach  D. seat
4. A. grammar  B. calendar  C. father  D. calculator
5. A. lunch  B. watch  C. school  D. chess