oxyacetylene [ˌɒksɪəˈsetɪli:n] compound oxyacetylene torch Schweißbrenner der oxyacetylene welding Autogenschweißen das
Complétez la séquence avec la proposition qui convient. Thalia: “What time is it?” Thalia wanted to know …. what time it is what time it was what time was it