Contrações 1: com DE, EM, A (prep.) + artigos a(s), o(s)

Fill in with the proper preposition + article (a or o and its plurals) contraction. Write all the answers in the box:

'De' = of, from, about, by
'Em' = in, on at, upon
Preposition 'A' = to

de for the contraction = 'd' em for the contraction = 'n'
preposition a contracted = à it is called a 'crase' or 'a craseado'

de + a(s) = da(s); _ + o(s) = do(s)
em + a(s) = na(s); _ + o(s) = no(s)
a + o = ao; _ + a = à