The two countries have to carry _______with the negotiation next week.
A. on
B. out
C. up
D. into
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Witnesses backed________from the bloody scene of the accident.
A. off
B. away
C. into
D. upon
Many great linguists have ________ most of their time and energy to the scientific study of language.
A. spent
B. saved
C. devoted
D. cost
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