We were going out for a Christmas meal together ______ the accident happened.
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A
unless
B
until
C
while
D
when
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At that time the blacks reached a stage ________they had almost no rights at all.
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A
when
B
which
C
where
D
what
39.When you read the book, you’d better made a mark ____ you have any questions.
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A
at which
B
at where
C
place
D
where
The old lady had two clever sons, ____ did a good job in the 2010 National College Entrance Exam, though.
#34183
A
none of them
B
both of whom
C
none of whom
D
neither of whom