1. have to

必须；不得不；只好

eg. You will not have to wait long.

你只要等一会儿就成。

eg. Have to our honoured guests!

为我们尊贵的客人干杯!

2. then and there

当场；当时当地

eg. He gave a demonstration of the new technique then and there.

他当场表演了这种新的操作方法。

eg. The kidnapper was shot dead then and there by the armed policeman.

绑架者被武装警察当时当地击毙。

3. expect to

期待

eg. First, review what you can expect to learn from this tutorial and how you can get the most out of it.

首先，检阅一下您期望从本教程中学习到什么，以及您如何才能最大限度地学到更多的知识。

eg. In almost every instance, I come away convinced that we’ve reached greater understanding. And that understanding serves as the base for whatever else we expect to do together.

几乎每一次，在我离开时，我都深信，我们之间的理解加深了，而那种理解就成为我们期望共同完成的任何其他事业的基础。