Nuclear weapon is considered the most terrible weapon of war ______ man has invented.
A. which
B. that
C. as
D. since
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The size of the audience, ______ I had expected, was well over ten thousand.
A. which
B. that
C. as
D. whom
Not everybody could be expected to know all the answers, ______ some questions called for educated guesses rather than general knowledge.
A. as
B. so
C. such
D. once
______ you try, you’ll never lose your English accent.
A. No matter what
B. How hard
C. No matter how hard
D. Whatever hard
______ the bridge were packed with cars and buses, it could still carry twice the load.
A. Despite
B. Provided
C. Unless
D. Even if