Some students think it is to spend some time surfing the Internet but we shouldn’t be to

问题补充：

Some students think it is to spend some time surfing the Internet, but we shouldn’t be too dependent on it.

A. worth

B. worthwhile

C. worthy

D. worthy of

答案：

A. worth

(答案→)B. worthwhile

C. worthy

D. worthy of

解析：考查形容词辨析：句意：一些学生认为花些时间上网是值得的，但我们不应该太依赖它。这几个词都有“值得”的意思，但用法不一样：worth用于：be worth doing sth，worthy用于：be worthy of being done或be worthy to be done这个词组，worthwhile用于It is worthwhile doing或to do 这个句型，这句话think后面是宾语从句，宾语从句的主语是形式主语it，选B。