The school headmaster forbids ______ in the office.
#96588
A
smoking
B
to smoke
C
us smoke
D
from smoking
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we were ______ at the news of her sudden death.              
#95901
A
astonishing
B
to astonish
C
astonished
D
astonish
Samuel Clemens,______ Mark Twain, wrote many popular stories.
#96397
A
was known as
B
known as
C
was known for
D
known for