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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(2011·江苏卷)We’d better discuss everything________before we work out the plan.
#25149
A
in detail
B
in general
C
on purpose  
D
on time
Some high officers were punished by law only because they were ______ what didn’t belong to them.
#27368
A
in the possession of
B
in possession of
C
possessed
D
possessing
________ the great man, people built a memorial.
#27436
A
In search of
B
In aid of
C
In honour of
D
In advance of