重點講解：
1. be unaccounted for 不知下落的；未予說明的；
At least 300 civilians are unaccounted for after the bombing raids.
遭轟炸襲擊之后，至少有300名平民下落不明;PMgN0Q^O!ybG^-2Z。
2. a total of 總數；總額；合計；
The companies have a total of 1,776 employees.
這些公司總計有 1,776 名員工r;3c+N@rN6x=]na。
3. take away 帶走；
Two men claiming to be police officers called at the pastor's house and took him away.
兩個自稱是警察的人來到牧師家里，把他帶走了N8j^+|QeuvfYiW(]~B。
4. be able to do sth. 可以…的，能夠…的；
Parents will be able to discuss their child's progress with their teacher.
家長將可以和老師交流談論子女的進步情況Sc(RUgV_r!gQVb6。