Question

Mary couldn’t go to the cinema with us because she had to _____ her little brother.

A．look for

B．look after

C．look at

D．look into

Answer 1

B

试题分析：A. look for寻找B. look after 照顾  C. look at看一看   D. look into调查；句意：玛丽不能和我们去电影院因为她要照顾她的小弟弟。故选B.
点评：look所构成的短语是中学英语的重点，词义辨析考的是学生的基础词汇知识，了解每个选项的含义是做好此类题型的关键，解答此类习题，首先要求学生有一定的词汇量，句意理解后便可作答，所以平时的基础知识记忆，词汇积累是解答好这种题的关键。