“I wondered if I could have a word with you.” The past tense used in the sentence refers to a ________.
A. past event for exact time reference
B. present event for tentativeness
C. present event for uncertainty
D. past event for politeness
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Prices have recently risen in order to ________ the increased cost of raw materials.
A. cut
B. buoy
C. offset
D. offer 填空题
a________
A. a strong feeling of affection for sb./ sth.
v_________
A. a sightly different form of a book, film, etc.from the original