1 a) We had ...some... delicious food last night,
2 a) There is some beautiful furniture in that shop,
b) There is a beautiful table in that shop.
3 a) I'm thirsty. I need a drink.
b) I'm thirsty. I need some water.
4 a) She's just bought some expensive clothes.
b) She's just bought an expensive dress.
5 a) They booked a room in advance.
b) They booked some accommodation in advance
6 a) The band played a lovely song.
b) The band played some lovely music.
7 a) We had some heatwave last week.
b) We had a hot weather last week.
8 a) I can't do this job alone. I need an assistant
b) I can't do this job alone. I need some help.
9 a) He has got some heavy luggage to carry.
b) He has got a heavy suitcase to carry.
10 a) I need some cutlery to eat this food with.
b) I need a knife and fork to eat this food with.
11 a) She has got an important job to do.
b) She has got some important work to do.
12 a) He found a coin on the ground.
b) He found some money on the ground