问题
选择题
—What's the matter with John? He has been sitting there for hours．
—A postcard from his father an attack of home - sickness in him．
A．took up
B．set off
C．brought in
D．built up
答案
答案：B
题目分析：考查词组辨析：A.拿起B.出发，引起，使爆炸C.带来，引进D.逐渐获得。本句的意思是;--约翰怎么了？--他坐在那里几个小时了。---父亲寄来的明信片使他想家”。故选B.
点评：本题考查了由动词加不同的介词副词构成的短语，要注意一词多义的现象。还有结合上下选择适当的选项。