be lacking in 缺乏（品质、特点等）

She seems to be lacking in common sense.

她似乎缺乏常识。

高手过招

(1)单项填空

Though money, his parents managed to send him to university.

A. Lacked B. lacking of

C. Lacking D. lacked in

(2)完成句子

①因为缺乏兴趣这次旅行被取消了。

The trip was cancelled through .

②他缺乏信心。

He .

解析:(1) 选C。考查分词作状语。his parents与lack之间呈主谓关系，所以应用现在分词作状语；lack作动词时不与of搭配，所以答案选C。

(2)①lack of interest ②lacks confidence

3. sight

n. 视力；视觉；看见；光景，奇观；名胜

常用结构：

lose sight of 看不见；忘记；失去

catch sight of sth./sb. 看见某物/人