_______they visited the Science Museum, they showed great interest in everything they saw.A For the first time B. At firstC. At the first time D. The first time
Nuclear energy may be dangerous if
—Do I need to give a tip if I eat at a fast food restaurant in the United States? —Yes , it’s a commonto tip waiters in a restaurant.
They all looked ____ at the master and felt quite _____.
The small victories in the fight against poverty and hunger have helped many people who are in trouble allowing them to maintain dignity.
Some pre-school children go to a day care center, __________ they learn simple games and songs.