_________all of them are strong candidates, only one will be chosen for the post. 

— Should people stop using their cars and start using public transport?— __________. The roads are too crowded as it is.

The British are not so familiar with different cultures and other ways of doing things, ___________ is often the case in other countries 

. The meeting was about to end and everyone was in a hurry to leave when Ted insisted_____ Some questions.

Not having worked out the program, ________ leave the office.