Many great linguists have ________ most of their time and energy to the scientific study of language.
A. spent
B. saved
C. devoted
D. cost
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The evidence they collected ________ the previous conclusion made by scientists, which made them frustrated.
A. addicted
B. contradicted
C. predicted
D. dictated
Do not ________ the differences in punctuation when you are learning a foreign language.
A. oversee
B. overlook
C. overcome
D. overtake
He was not a great original writer because he lacked the________ impulse to think out of the box.
A. thoughtful
B. productive
C. positive
D. creative
The teacher________ that every language is a little crazy.
A. clarifies
B. defies
C. modifies
D. unifies