Some of the students are not sure ___ spelling the word, while others are not sure ___ the use of some grammatical rules.
#28757
A
of… about
B
about…to
C
of…to
D
for….of
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Do you think this shirt is too tight ________ the shoulders？ (2012·北京，34)
#25254
A
at
B
on
C
to
D
across
He told me his computer company was in great need of a capable leader, ______ with strong will as well as good humor.
#26103
A
who
B
that
C
one
D
which