2 . Ronaldo had no ________(difficult)in scoring a goal, which helped their team win. (所给词的适当形式填空)

3 . —Did you have difficulty ________(find) Ann’s house?
—Not really. She had given us clear directions and we were able to find it easily. (所给词的适当形式填空)

4 . I have no _________(difficult) remembering the new words. (所给词的适当形式填空)

5 . At first, the government had great ______ (difficult) in persuading people to leave Rio and to settle in Brasilia.

6 . Do you know the __________ (difficult) he had in keeping five orphans at school? (所给词的适当形式填空)