Eggs in western countries are often sold by _____. 

According to the law, all foreigners have to _______ with the local police within two weeks of arrival.

(2013·临沂二模)The patient's family has expressed their ________ to the press in letters for the money raised.

 The long­expected match was ________ at half­time because of the poor weather conditions.

The landlord _________ them white for their flat.