a,b,a,c,d,d,b,b,b

1-Can you turn on the light? It's too dark to do homework (a)
2-What are you looking for?My pen.I have lost it (b)
3-There are energy-saving methods and inventions to use solar energy (b)
4-She was so surprised to see the bill that she fell onto the floor(a)
5-She had to pay an enormous amount of money this month for the international calls(a)
6-Could you give me some advice on how to behave towards them?(a)
7-A new washing machine installed this afternoon (a)
8-These children are used to living in luxury (b)
9-It is no wander that this words have a strong affection (c)