Fill in: up,out(x2),across,of,to,on.
1.The fireworks display lit up the sky.
2. They came across some ancient relics at the archaeological site.
3. They carried out an experiment in the laboratory.
4. He could not work out the answer to the Maths problem.
5. Jeremy needs to focus more on his studies.
6. Robots will be capable of performing surgery one day.
7. Experiments in science can lead to new discoveries.
up/across/out/out/on/of/to
Объяснение:
