I think that E, F, G and H are all possible answers. F and H merely state the fact that the machine was unable/couldn't scan that item in the past while E and G, based on the machine's recent performance, seem to suggest that the machine is still unable to scan the item.
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IvanhrC and D are both wrong because they use the progressive verbs which focus on the duration of the scanning rather than the results.What if we say the following to the customer assistance representative, the verbs of which are in progressive te
AnonymousSuppose I am at a self-service till in a grocery store. I am scanning some grocery items until one item can't be scanned by the machine. After a short while, a customer assistance representative approaches me. I came up with the following to likely say to him/her:
A. The machine doesn't scan this one item.
B. The machine didn't s