Directions: Given below is the body of a letter with blanks i, ii, iii and iv. Fill in the blanks with the options provided to make it meaningful.

My dear Dalvir, How are you? It's been a long time (i) to me. I often worry about the well-being of your mother. I thought (ii) that it was your responsibility to write and tell me about your studies and affairs at home. I am (iii) coming back and having a good time with everybody at home. Meanwhile, keep on writing and (iv) all the happenings at home. Best wishes, Dad

P. you would understand Q. since you wrote R. looking forward to S. informing me about