完成句子

我无法使她相信我没做那件事。

I was unable to ________ her that I didn’t do that．

完成句子

这只手表保用五年。

This watch is ________ for five years．

完成句子

他提供自己的房子作为担保。

He offered his house as a ________．

观察句子中的画线部分，指出其语法功能。

Where there is a will, there is a way．

观察句子中的画线部分，指出其语法功能。

We’ll try our best to finish the work in time though we are short of materials．

观察句子中的画线部分，指出其语法功能。

The teacher hid the key to exercises lest the students should see it．

观察句子中的画线部分，指出其语法功能。

The book was written in such simple English that we could understand it easily．

观察句子中的画线部分，指出其语法功能。

As it is raining, you had better take your umbrella with you．

观察句子中的画线部分，指出其语法功能。

Unless you study harder, you’re going to fail the exam．

观察句子中的画线部分，指出其语法功能。

When you finish doing this drill, you may go on to do the next one．