Once upon a time a poor farmer taking a sack of wheat to the mill did not know __1__ to do when it slipped from his horse and fell __2__ the road The sack was __3__ heavy for him to lift, and his only hope was that presently some one would come riding by and lend a hand 第三空答案是:(单选)—5分
— ___________________
— Once or twice a week.
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
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