–Can you give me some advice on what major I should take at college?–With pleasure. We can talk about it _____ lunch.
--When _______ we meet again? --_______ it any time you like.
--Can you finish the writing on time? --_________.
Is oxygen the only gas _______ helps fire burn?
During the days ________, he worked as a servant at the Browns.
The number of the people who _______ cars _______ increasing.