The blackboard is________．A．black B．purple
( ) I study ____ the Animal School . A. in B. on C. at
( ) ____ is a housewife . A. She B. Her C. His
( ) My mother works _____ a bank . A. in B. on C. at
( ) He _____ in a hotel . A. work B. works C. working
( ) _____ does your father do ? A. Where B. How C. What
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