9. Look! Somebody (break) that window. a) has broken b) has been breaking
10.You look tired. (you / work) hard?
a) Have you worked b) Have you been working
11. (you / ever / work) in a factory? No, never.
a) Have you ever worked b) Have you ever been working
12.Jeff (think) about going abroad on holiday this
summer.
a) is thinking b) thinks
13.Mum (taste) the soup to make sure it’s perfect.
a) is tasting b) tastes
14.The last bus to the city centre (depart) at 10 p.m.
a) is departing b) departs
15.This story is about a teenager who (find) his missing little
sister after a long search.
a) is finding b) finds
16.Have you considered a home gym in your basement?
a) building b) to build
17.I’m eager if you have done your chore today.
a) knowing b) to know
