全国英语等级考试五级常用固定搭配详解：JK

　　J

　　148.join in 参加，加入

　　Students join in the school activities actively. 学生们积极参加学校活动。

　　He took off the coat and joined in the work. 他脱掉上衣加入到工作中去。

　　149.just now 眼下，目前，刚才，不久前

　　He left just now. 他刚离开。

　　He is learning painting from a well-known artist just now.他现在正跟一个著名的画学家绘画。

　　K

　　150.keep an aye on 留意，照看

　　Keep an eye on the child while I am out. 我出去时麻烦照看一下这孩子。

　　Please keep an eye on my flowers in my absence. 我不在时帮我照看一下花。

　　151.keep one's word 遵守诺言

　　He always keeps his word. 他总是遵守诺言。

　　We must keep our word even if we should lose by it. 即使守信吃亏，我们也必须遵守。

　　152.keep pace with 与……齐头并进，与……并加齐驱

　　You must read the papers to keep pace with the times. 你必须阅读报纸来跟上时代。

　　His mental development kept up with the growth of his body.

　　他的智力发展与他的体格并头并进。

　　153.know about/of 听说，了解

　　I know of him, but I've never met him. 我听说过他，但从未见过他。

　　I didn't know about her father's death until last week. 直到上周我才得知她父亲去世的消息。