1) hunt for
2) care about
3) such as
4) drop sb. a line
5) be fond of
6) in order to
7) all the time
8) argue with sb. about sth.
9) all alone
10) develop a friendship with sb.
11) even though
12) treat …as
13) surf the Internet
14) on a flight
15) too much
16) should have done
17) be into sth./ doing sth.
18) be quick in/ at
19) make oneself at home
20) in total
21) except for
22) stay up
23) come about
24) end up with
25) bring in
26) a great many
27) all the way
28) communicate with