I have to attend my sick son.

will you attend the meeting tomorrow?

1. expose vt. 显露；暴露；揭露

She exposed a set of perfect white teeth when she smiled.

The soil was washed away by the flood, exposing the bare rock.

expose ... to ...

He exposed his skin to the sun.

2. cure n.﹠vt.

治愈；痊愈 n.

there is still no cure for the common cold.

治疗；治愈vt.

Can you cure me of my cold?

When I left hospital I was completely cured.

3. absorb vt. 吸引；吸收；使专心

Black clothing absorbs light.

The task absorbed all his energies.

be absorbed in ＝ absorb oneself in 全神贯注于

The old man was utterly absorbed in the book.

4. instruct vt.命令，指示，教导

the manager instructed us about our duties on the first day.

he doesn't instruct us where to go.

派生词：instruction n.指导；指令

instructions n. 说明，操作指南

5. link... to ... 将......和......连接或联系起来（常用被动语态表示状态）

The island is linked to the mainland by a new bridge.

Heart disease can be linked to smoking.

　　拓展join... to把......和......连接起来

connect... with 将......和......连接