Respuesta :
This question requires the filling of gaps in each sentence with the most appropriate words from the options given. This requirement is fulfilled as follows:
37. (D). Participants can get a brochure ...
38. The (B). proposal looked effective, and ...
39. An early (B). decision is required, ...
40. The research shows that this (C). machinery can ...
Thus, the appropriate form of the words have been used to fill the gaps in the above sentences.
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