Read the text and fill in the gaps. today we take many inventions for granted but one of the most useful ones is the “not so “ supermarket trolley. before the 1930s women shoppers went into grocery stores with their own baskets. they would only buy a few things because their baskets wouldn’t much. sylvan goldman of oklahoma this and decided that he had to think of a way to encourage people to buy more, especially since business was not very well. he took a folding chair, wheels to the legs and placed two baskets on top. 1 a critical b significant c meaningful d serious 2 a futhermore b in particular c however d apart from that 3 a put b keep c hold d take 4 a noticed b watched c regarded d viewed 5 a making b running c doing d heading 6 a included b added c combined d accompanied