Complete the following passage by filling up the blanks.

During the afternoon, Tom meets a boy from St. Louis, with whom he (a)__________. That night at home, Tom's clothes (b)__________ so soiled from the fight that Aunt Polly punishes him by taking away his Saturday's freedom and (c)__________ him the unpleasant task of whitewashing the fence.

(a) (i) fights (ii) fought (iii) started fighting (iv) is fighting

(b) (i) are (ii) is (iii) am (iv) was

(c) (i) is assigning (ii) assigns (iii) had assign (iv) was assigned