Pun the verbs in brackets into the present perfect or the perfect continuous .
6 . Can we go soon? We ______(walk around this deparment store for the last two hours !

7 . I _______(look) through these cookbooks for a good seafood recipe for over an hour, but I can`t decide on one . Can you help me choose ?

18 . ________(you /try ) the new Chinesw restaurant that opened Last week yet ?
19 . Do you want to go shopping? I_______(not/ speend ) my birthday money yeat and I want to buy a new outfit for the party .
20 . Phillip ___________ (never /buy ) anything from a flea market before .