Circle the correct word and complete the sentence. 1 The Chinese) Led many things. The moxt useful was b) because people could then write books. invent / map b) salt / poper 2 At the beginning, they used poper to o). things a) ink / wrap 3 The a) helped people find their way on land and at sea, even when was b) dark b) completely / display a) compass / block ed was gunpowder. They b). 4 Another Chinese a) different kinds of salt and heated them. b) mix / discovery a) definitely / discovery 5 The Chinese used the qunpowder to make a). a) firework / silk
