How many people came to Brazil for the World Cup in 2014—It is hard to say. ______ people, I think.

Sorry, Professor Smith. I didn’t finishthe assignment yesterday. –Oh, you _____ have done it as yesterdaywas the deadline.

The level of __________ in the river was falling.

Throughout the world__________inventions.

Don’t throw away the old booksGive them to ____needs them