17'

固定搭配： spend time on line
access the internet


句型 ： It is easier than
There ‘s no doubt …

25'

固定搭配 ： widen one‘s knowledge

keep in touch with sb
do research

句型 ： It‘s a good way to

This often helps …

29'

固定搭配： get addicted to …
Waste time doing sth

句型 ： This means

22'

固定搭配 ： have negative impact
To sum up
Benefit from
句型： should