He spent too much time talking on ______ phone while we were all busy at _____ work.
The British are not so familiar with different cultures and other ways of doing things, ___________ is often the case in other countries
--Thank you very much.--Not at all , I was____________ glad to help.
I would have come to see you earlier, but I__________too busy.
With summer coming on, the weather gets hot _________.
In Switzerland, six miles west of Geneva,___________ a collection of laboratory buildings.