38. There is a dog over there. Look, out______. Be careful!
I know these flowers are not natural, but the _____ ones look more beautiful and can last long.
Cattle’s two ____ help them to digest food and their fur to keep them warm.A stomaches B heart C stomachs D hearts
Great attention must be paid ____ welfare, especially in the poor area.
________they visited the Science Museum,they showed great interest in everything they saw.
John, get up! I’m afraid you won’t have time to ______ before going out.