Task 4 Put the adjectives in brackets into the comparative or superlative form, adding any necessary words.
14 A: This is (long) boat ride I've ever been on!
B: Me too. I can't wait to get to shore.
15 A: This book is .. (bad) I thought.
B: I'll recommend another one for you then.
16 It's much
(difficult to learn Chinese than English.
17 That was the
(enjoyable) holiday I've ever had.​