问题
选择题
Many students are ________ chatting online, which wastes them plenty of time.
A．crazy about
B．connected with
C．worried about
D．anxious about
答案
答案：A
题目分析：句意：许多学生对网聊很疯狂，那浪费了他们大量的时间。Be crazy about对……对……很疯狂 be connected with与……连接 be worried about对……担心 be anxious about担忧，选A。