---Thanks for your trouble. ---Not at all. I’m _____ pleased to help you.
------- How can we __________ to a changeable environment? -------- By constant study and changing our ideas.
----- How did you find _________ long talk given by the headmaster on ___________ Teachers’ Day? -------- Boring. I’d rather he had made it short.
21 ------ He runs his own company at the age of 21. ------- ___________________
The demand for _____ skilled workers is still increasing.
My new neighbor is a _____ person; he never speaks to anyone and nobody knows where he is from and what he is doing.