He paid the boy $10 for washing ten windows,most of ____ hadn't been cleaned for at least a year.

Nora: How long has this bookshop been in business?

Michel: ______1982.

Some concepts may be difficult to grasp chiefly because they may be unfamiliar or _____ideas, opinions which we already hold.

The foreigners _________there, but they _________the food there at first.

There are many ___to do so for the participants.

—Do you mind__________ here?

—________.

Einstein won the Nobel Prize in 1921 and enjoyed great fame in Germany until the rise of Nazism ____ he was expelled from Germany because he was a Jew.

Mary keeps talking about the party.She had a very good time,______she?

The red color can stimulate all our____,including appetite.

The term CFR should be followed by _____.