42m. ORACIONES CAUSALES. CLAUSES OF REASON OR CAUSE (Tema 54, páginas 309 y 310 de Gramática Inglesa para Estudiantes Españoles)

42m. Chose the right words: as, because, because of, since, to complete the following sentences (Tema 54, páginas 309 y 310 de Gramática Inglesa para Estudiantes Españoles)

42m. Chose the right words: as, because, because of, since, to complete the following sentences (Tema 54, páginas 309 y 310 de Gramática Inglesa para Estudiantes Españoles)

1. He wore a white robe and hat like mine, a little odd they were of Nigerian design
2. Many studies can be discounted they have used unnatural protocols
3. He has missed four games a mysterious eye infection
4. He did so there was no alternative