单选题 We are sure that ______ to do this face to face, he would express himself more easily.

【正确答案】 A

【答案解析】[解析] 本题that从句中含有虚拟语气，根据主句“would+动词原形”可知，本句是对将来情况的虚拟。在if从句中如果含有had，were，should时，可省略if并将had，were，should提至句首。故选A。