________ it to clear up tomorrow, the tourists would climb to top of the mountain to wait for the sun ________.A.If; to raiseB.Were; to riseC.Should; to riseD.Because; raising
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C解析Were it to clear up tomorrow=If it were to clear up tomorrow,与将来事实相反的if条件句;wait for sb/sth to do sth“等待某人或某物去做……”。