16.To George’s _____, he failed the driving test and couldn’t get the license thisyear.(A) surprisin
17.Helen stood by the window with tears ____ down her cheeks.(A) rolling (B) rolled (C) roll (D) to
18.Not _____ Joey’s phone number, I wasn’t able to ring him.(A) knowing (B) know (C) to know (D) kne
19. My sister likes to read novels, ______ I prefer to read comic books.(A) because (B) while (C) si
20. Mary devoted her life to her students. We all regarded her _____ a goodteacher.(A) of (B) as (C)