16. You have to wait here ____C___ ______ sunset.A. from behind
B. except for
C. until after
D. except on17. The real trouble ___A_____ their lack of confidence in their abilities.A. lies in
B. lies on
C. results in
D. leads to18. Henry looked very much _____B__ when he was caught cheating in the biology exam.A. discouraged
B. embarrassed C. disappointed D. bewildered19. The old couple now has nothing to ____B_______ but a small government pension.A. tend to
B. live on
C. alert to
D. shrug off
20. Their criticisms deserve our full attention. They are not to be __B___.A. loaded
B. shrugged off
C. vanished
D. passed on21. Here are some toys. You can _____B_____ one or two for your little son as a birthday gift from me.A. single out
B. pick out
C. take out
D. work out22. The two brothers are only ___D____ in appearance.A. alive
B. alone
C. astir
D. alike23. Recently the newspapers had reported several ___B_______ on the boundaries of Israel and Jordan.A. accidents
B. incidents
C. events
D. happenings
