The writer and professor, whom I often refer to at the meetings, ____ famous for those works. 
#86155
A
is
B
are
C
am
D
were
推荐题目
About_______ of the books in our school library________ written in English.
#43662
A
one-fifth, are
B
one-fifths, is
C
one-fifth, is
D
first-fifth, are
The pair of shoes _____my feet at all.
#43618
A
aren’t fit
B
isn’t fit
C
doesn’t fit
D
don’t fit