Unit Test 11B Key
1 1b / 2c / 3d / 4a / 5b / 6c / 7b / 8a
2 1 Peter has been using the computer for six hours. / 2 The company has been in trouble for three months. / 3 We have been building a house since January. / 4 They have been coming to this café for ten years. / 5 David and I have known each other for six months. / 6 I haven’t understood what he has been saying for thirty minutes. / 7 I’ve wanted that car since I was a boy. / 8 They have been working on a new project since Monday.
3 1 up / 2 out / 3 back / 4 down / 5 up / 6 out / 7 out / 8 into
4 1 doesn’t he? / 2 could it? / 3 aren’t they? / 4 couldn’t you? / 5 has it? / 6 don’t they? / 7 doesn’t it? / 8 can’t you?
5 1 packet / 2 metal / 3 cardboard box / 4 jar / 5 tube / 6 can / 7 paper, plastic / 8 carton
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