She gave up____ she was closed to success.
A. if
B. since
C. until
D. when
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It's such a good chance ____ we must not miss it.
A. since
B. that
C. so
D. because
The famous scientist grew up____ he was born and in 1930s he came to Beijing.
A. when
B. whenever
C. where
D. wherever
He had already walked four miles____ he saw a taxi by the side of the road.
A. since
B. when
C. unless
D. until
I did not realize he was a famous actor____ you told me.
A. where
B. until
C. since
D. if