In each pair of clues, the first clue will give you a word. The second clue will give you a different word comprising the first word, with one letter added, anywhere in the word. For example, clue one gives you "bag" and clue two gives you "bRag". At the end, take all the letters you have added to the second clues. They will give you the answer to "overall clue 1". Then solve "overall clue 2" by adding a letter to the answer to overall clue one.
1 Pound
2 Baby animal
1 Tunnel
2 Desire
1 Wok
2 Hurt
1 Ready
2 Complain
Overall 1 Ship
Overall 2 Fetch