46.A.house B.garden C.library
45.A.sleep B.sleeping C.asleep
44.Awhat B.that C.how
43.A.for B.of C.with
42.A.hardly B.suddenly C.really
41.A.wake up B.go to bed C.sleep
20. A. young B. good C. happy
[答案]11-15 BCBAC 16-20 AACBB
19. A. Which B. What C. Who
18. A. on show B. by mistake C. a lot