_________ many times, he couldn't understand it.
A. Told
B. Having been told
C. Telling
D. Having told
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The library is now __________ .
A. closing
B. has been closed
C. closed
D. in closing
The girl raised her voice in order to make herself_________ .
A. hear
B. to hear
C. hearing
D. heard
_______nobody at home, the visitor decided to leave a note by the door.
A. When
B. Seeing
C. See
D. To see
Last year Sam earned _______his brother.
A. twice as more
B. twice as many as
C. more twice than
D. twice as much as
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