表示肯定和不肯定(Expressing certainty and uncertainty)[文章版权 禁止转载:考试与评价 +E+;A fGUU(AZFroG]
1. I'm sure, I'm sure (that)...[文章版权 禁止转载:考试与评价 WY!Y_QaU')Z4FroG]
2. I'm not sure. I'm not sure whether/if...[文章版权 禁止转载:考试与评价 ki;]$a"aV:8Y`l_W3FroG]
3. Maybe. /Perhaps.[文章版权 禁止转载:考试与评价 (%4.!ADB.Sd gw*tFroG]