we are sure that ( ) to do this face to face,he would find it difficult to express himself without losing his temper
问题描述：
we are sure that ( ) to do this face to face,he would find it difficult to express himself without losing his temper
a:were he to try b:would he try
c:was he trying d:if he tries
答
A
that 从句中,含有虚拟语气（对将来的虚拟）
即：If he were to try to do this face to face ,if 从句中如果含 had ,were ,should 时 ,可将它们提前,省略if