44b. ORACIONES CONCESIVAS. CLAUSES OF CONCESSION (Tema 56, páginas 314, 315 y 316 de Gramática Inglesa para Estudiantes Españoles)

44b. Chose the right words: as, however, even though, in spite of, whatever, whereas, while, to complete the following sentences (Tema 56, páginas 314, 315 y 316 de Gramática Inglesa para Estudiantes Españoles)

44b. Chose the right words: as, however, even though, in spite of, whatever, whereas, while, to complete the following sentences (Tema 56, páginas 314, 315 y 316 de Gramática Inglesa para Estudiantes Españoles)
1. A flag at half-mast is a symbol of grief, tears are a sign of grief.
2. The car is expensive, , it is worth it
3. He failed, he had done his best
4. the benefits they bring, cars carry an environmental cost
5. Tired they were, the soldiers still moved carefully toward the buildings
6. she says, he remains silent
7. Ceaucescu lived in luxury at the palace Romanian workers starved