You were_____ to help us, but you all escaped.

Bob thought he couldn’t go to the party because he had too much homework, but persuaded by his friends, he went _________.

The time he has devoted in the past years _______ the disabled is now considered to be _______ greatvalue _______ him.

在文中①②横线上填入下列语句，衔接最恰当的一项是 （ ）金沙江大峡谷旁有一座远近闻名的纳西古城。 ① 。是纳西人最原始的聚居地。我们步行了一个多小时，古城出现在前面。 ② ，上面镌刻者“宝山石头城”五个大字。

I won’t be able to understand what you say _______you speak too quickly.