---Is the book Lock And Key in the library? --- . The school has just bought many new books.
Remember to ______ the pockets before you put those trousers in the washing machine.
The money collected should be made full _____of ______ the people who suffered a lot in the earthquake.
The officer commanded that the supplies of food and clothes ______ to the flooded area.
According to ______ survey,there're more and more young people who go for a walk at ______ dusk instead of sitting in front of the computer.
It was 5 o’clock __________ the visitors finally arrived at Pudong International Airport.