Use a bit of/a piece of/a bunch of/a cloud of/a lump of with the italicised nouns in the following sentences. The first has been done for you as an example.

(i) My teacher gave me some advice.
My teacher gave me a bit of advice.

(ii) Can you give me some clay, please.

(iii) The information you gave was very useful.

(iv) Because of these factories, smoke hangs over the city.

(v) Two stones rubbed together can produce sparks of fire.

(vi) He gave me some flowers on my birthday.

Hi ! Studying late night...