用所给词的适当形式填空。 1.All of them knew that Peter was good at_______ ( swim) . He can swim across the river easily. 2. She came from a village school, so her English_______ ( listen) was very bad. 3. It's not right for me_______(tell) him the bad news. 4. _______ ( fortunate ) she caught the last bus and got home before midnight. 5. Our English teacher teaches_______( good) than their English teacher.