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单选题Take an umbrella _____ it rains.A in any caseB in caseC becauseD for
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单选题Where were shells used as money in history?A In the Philippines.B In China.C In Africa.D We don’t know.
单选题I’m going to do all I can to _____ the unpleasant impression you have of me.A moveB removeC shiftD transform
单选题_____A evidentB positiveC realisticD instructive
单选题I’ll tell you _____ he told me last week.A all whichB all whatC that allD all
单选题It is _____ he is determined.A buying a new car thatB to buy a new car thatC to buy a new car whatD buying a new car which
单选题Leonardo Da Vinci _____.A said that man would fly in the sky one dayB built a kind of machine which never flewC drew many beautiful pictures of birdsD made designs for flying machines