Check your grammar.Choose the correct alternative1."......this week? - "No,he is on holiday" A - Is your father working / B - Does your father work / C - Does work your father 2.Mary ..... chess once or twice a week. A - is playing usually / B - is usually playing / C - usually plays / D - plays usually 3. Everything is going well.We .... any problems since we came here. A - didn't have / B - don't have / C - haven't had