题目内容
8．Before you hand in your final report，________ there are no spelling mistakes．（ ）| A． | make sure | B． | to make sure | C． | made sure | D． | making sure |
分析 在上交最终报告之前，要确保没有拼写错误．
解答 答案：A．
根据句意"在上交最终报告之前，要确保没有拼写错误"可知，这是对别人的一种忠告，所以用祈使句，表示一种强烈的语气．故选A．make sure确保，核实．
点评 对于祈使句往往表达一种比较强烈的语气，掌握好此类句型，此题难度不大．
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