UN Secretary-General Ban Ki-moon left for Pakistan this morning， his assistant _________ him there this Friday.

_________ now to protect the environment, we’lllive to regret it.

Only when the European countries’ financial system broke down _____to take measures to deal withthose problems[ ]

How are you getting on with the work?——So far it _____ easy but things may change

You have no idea how she finished the relay race _______ her foot wounded so much.