时态复习题1. My father _ (not stay) at home yesterday. 2. _ they _ (visit) the zoo last Sunday?3. He _ (like) art very much. (改为否定句,一般疑问句)_4 My father _ (fly) to Beijing tomorrow. (改为否定句,一般疑问句)_5. Last Saturday my mother _ (go) shopping .6. You _ (have) a seven-day holiday soon. What _ you _ (do)?7. We_ (visit) the Great Wall next month. (改为否定句,