[ 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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Grammar and Vocabulary › ViewTristan __________ surprised to see his favourite soccer player at his birthday party yesterday.
A. is
B. are
C. was
D. were
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The support for a claim or counterclaim.
A. reason
B. caption
C. bold
D. map
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A. have talked
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You ……………. pay attention to the road when you drive
A. must
B. mustn’t