108. Dr. Manette had been mentally ____ by his long years alone in prison and his hair had turned white.
|
A．disturbed |
B．troubled |
C．worried |
D．Damaged |
107. The Curies are best known for ____ radium and they won the Nobel Prize in 1903.
|
A．discovering |
B．inventing |
C．finding |
D．Creating |
106. Where are my keys? They seem to have ____.
|
A．found |
B．appeared |
C．disappeared |
D．Discovered |
105. The waters of this great lake, which is also the world's deepest, have been ____ by waste from a chemical factory.
|
A．cleaned |
B．cleared |
C．dirtied |
D．Thrown |
104. --- What do you do in the theatre?
--- I ____ plays.
|
A．act |
B．direct |
C．perform |
D．Watch |
103. Can you _____ the difference _____ American English and British English?
|
A．tell; among |
B．judge; between |
C．tell; between |
D．say; between' |
