Which sequence best completes the quotation below? "_____ Ebola outbreak in West...

Questão de Inglês da banca Marinha aplicada no concurso ESCOLA NAVAL (2015). Confira a resolução completa abaixo:

Which sequence best completes the quotation below?
"_____ Ebola outbreak in West Africa is already _______global threat to________ public health and it's vital that______ UK remains at________ forefront of responding to______epidemic." Michael Fallon, Defense Secretary, 2014. (Adapted from http://www.royalnavy.mod.uk).