d you like to join us in the barbecue this Friday afternoon —Sorry, _______.

How is your trip to Singapore— It’s the most fantastic experience ______ I’ve _____ had.

Look! Tom is too sleepy to work. He _____ up watching TV. [ ]

Tim is in good shape physically he doesn’t get much exercise.[ ]

Why do you look so worried —My computer broke down and my essay ______ unfinishedsince.