-Do you know the boy________ is sitting next to Peter?-Yes. He is Peter's friend. They are celebrating his ________ birthday.
#31722
A
who; ninth
B
that; nineth
C
/; nineth
D
which; ninth
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The real threat of fraud(欺诈) on the Internet has highlighted the fact ________ consumers fear shopping on line.
#32191
A
what
B
that
C
when
D
which
______ we have confidence and determination, we can win the match.
#30756
A
Once
B
Since
C
Unless
D
As long as
Professor Hawking stepped into the office I knew that there was no hope.
#31869
A
Unless
B
Now that
C
Although
D
The moment
A dozen ideas were considered _______ the chief architect decided on the design of the building.
#32775
A
before
B
whether
C
unless
D
because