Answer_Key_Unit_9A_test.doc

Unit Test 9A Key

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2              1 I used to smoke. / 2 Vikings used to use longboats to discover the world. / 3 (A hundred years ago) foxes didn’t use to live in cities. / 4 Is it true that doctors used to believe that women had small brains? / 5 Why did planes use to have two wings on each side? / 6 (Fifty years ago) people used to put money in hiding places under the floor.

3              1 promotion / 2 market leader / 3 colleagues / 4 supply / 5 import / 6 reliable

4              1 yes / 2 no / 3 yes / 4 yes / 5 no / 6 no / 7 no / 8 yes

5              1 The Olympics are held every four years. / 2 Snails are eaten in France. / 3 Presents are given every year at Christmas. / 4 Gold coins are not used in business today. / 5 New Orleans is often affected by floods. / 6 Is copper used for protecting windows? / 7 A criminal is arrested in England every two minutes. / 8 Pearls are often found inside oysters by divers.

6              1 What (about) if we order 2,000? / 2 If you order 200, we can offer you 15% off. / 3 That seems a bit high / That’s a bit high. / 4 I’m not sure (that) we can do that.