Check your grammar.choose the correct alternative 1." 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