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【单选题】
Madame Curie is believed _______ radium.A.
discovering
B.
having discovered
C.
to have discovered
D.
to discover
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举一反三
【单选题】Have you returned the book to him _______? Yes, I have______ returned it.
A.
yet, yet
B.
already, already
C.
yet, already
D.
already, yet
【多选题】Goerge Orwell is the ( ) of Eric Arthur Blair.
A.
real name
B.
pen name
C.
pseudonym
D.
family name
【简答题】People feel uneasy about that murder (上周从监狱逃跑) and is still at large.
【单选题】Have you returned the book to the library ____? --- Yes, I have ____ returned it.
A.
yet, yet
B.
already, already
C.
already, yet
D.
yet, already
【单选题】Many countries still execute people who ______ serious crimes, especially murder.
A.
commit
B.
do
C.
carry
D.
violate
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