1 My brother ( was drinking) coffee while he (was doing) his homework. 2 He (walked) into the classroom, then he (sat) down. 3 While I (was studying), Sue (was running) into the library. 4 When the class (finished) , the teacher (drove) home. 5 Harry (was singing) a song when Jane (came) in. 6 Nothing happened when I (turned on) the DVD player. 7 It (started) to rain while I (was walking) to the park. 8 Yuki (was listening) to the radio when the phone (rang). 9 The children (went) the cinema last night. 10 Mr. Jones (found) some money when he (was cleaning) the cupboards
2 uncommon
3 unusual
4 dislike
5 disagree
6 unpolluted
7 disappear
8 dishonest
9 unhealthy
10 discomfort
11 unnatural
12 unhappy
13 unpleased
14 unreal