[ Grammar ]
_______ withstands testing, we may not conclude that it is true, but we may retain it.
A. If a hypothesis
B. That a hypothesis
C. A hypothesis
D. Hypothesis
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Vocabulary › ViewI like going into book shops to_____for new books.
A. browsed
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. It can be difficult and dangerous being a/an __________ sometimes, but a lot of people think it’s exciting.
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You ……………. pay attention to the road when you drive
A. must
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