Употребите в Present Cont. или Present Simple 1. Ann ( sing ) upstairs. She ( sing ) very well. 2. Mary and Susan ( not

1. Ann is singing (Present Continuous) upstairs. She sings (Present Simple) very well. 2. Mary and Susan aren\'t counting (Present Continuous) at the moment. Nick counts (Present Simple) badly. 3. The door opens (Present Simple) easily. Peter is opening (Present Continuous) the door now. 4. Look! Sam is leaving (Present Continuous). He always leaves (Present Simple) at 18.10.