11.We’re all ________ about her safety.(concern)

11.We’re all ________ about her safety.(concern)
12.His visits to the bar became less _______ as time passed.(frequency)
13.A big crowd of people came for his house-warming _______.(celebrate)
14.Don’t you think the strong should _________ the weak?(protect)
15.My teeth are seriously ________ ; I shall see the dentist right away.(ache)
16.He is doing fairly well now,so quite a few people can‘t __________why he quit his job suddenly.(figure out)
17.He ____________ the position of chairman when Mr.Smith retired three years ago.(take up)
18.The technician is the only person who knows how the machine_________.(function)
19.We left earlier but they soon _________ us at the bridge.( catch up to)
20.The boy __________ the way the thief ran away for the police.(point at)
21.All the homes in that village ________ by the flood.(damage)
22.The new park is quite ____________ to the old one.(similar)
23.He is a good listener,never failing to _______ others’ advice.(follow )
24.Breakfast is _______ until 9:00 a.m..(serve)
25.Paris is one of my ________ cities.I am crazy about it.(favorite)