The bridge is made _________steel, ______ it

Some children want to challenge themselves by learning alanguage different from ______ their parents speak at home.

You look so sad. What’s wrong with you—I bought ______ bicycle, but when I rode it, one of _____ wheels became flat.

It doesn’t matter _____you pay by cash or credit card in this store.

The girl can _________ English and she can _________ it in English very well.