Better English

1. It is the first crime committed in space/It is the first crime carried out in Earth’s lower orbit. (any 1) 2. (ii), (iii), (iv) 3. (i) network /computer/computer network
Wait long enough and people will surprise and impress
Wait long enough and people will surprise and impress
Wait long enough and people will surprise and impress.
1. D 2. B 3. Scans that measure and map the brain’s activity show the brain is active during sleep. 4. (i) T (ii) T (iii) NG
1. the writer's second/younger child 2. any three of: have bad grades/have bad health/know less vocabulary words/smoke/drink/take drugs 3. norm 4. B
1. C 2.  It is a sign that bad weather/stormy weather/a thunderstorm was approaching 3. (i) F (ii) F (iii) T (iv) NG

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