1 . I find it difficult to speak English well. => It's _________ 2 . Understanding the handbook isn't difficult . => It's not ________ 3 . They burned the plastic bottles and old plastic bags. It isn't good. => It isn't ________ 4 . Understanding his theory is impossible . => It _______ 5 . Answering these questions are not easy . => It_________ 6 . It is really easy to learn English . => Learning ______ 7 . His mother isn't well . I'm afraid . => I ______ 8 . You didn't pass the English exam . Your parents are very disappointed . => Your parents are ______