Answer:
1. Sally:doing
 Laila:trying,don't
 Sally:enjoy
 Laila:Listening,want,remember,fancy
 Sally:Does
 Laila:using
 Sally: have
 Laila:manage
2. (1)Sally and Laila are shopping.
 (2) Sally didn't expect to see Laila in the store.
 (3) Laila is looking for a birthday present.
 (4)Laila has no idea what to buy.
 (5) Laila's brother spends his free time listening to
 music.
 (6) The computer belongs to Laila.
 (7) Laila decides to buy a computer for her brother.
 (8) She hopes to find a laptop cheap enough.
3. (1) to call
 (2) arrived
 (3) Do,want
 (4) to put
 (5) don't like
 (6) to give
 (7) waking
 (8) having