Though we found _____difficult to avoid economic and financial crisis, we must take measures to reduce its negative impact.
Nearly________ of the surface of our planet is covered by water.
It’s said that __________ is going to give us a lecture.
We had ___________ wonderful time_________the party_______ other day.
I don't remember___________ to the airport that year.
A man does not know the difficulty of anything_________ he does it personally.