1.【2014届山东菏泽市3月模拟】8. My seven-year-old daughter has a great interest in music and _______ Piano classes twice a week
over the last three years. A. took B. is taking C. had taken D. has been taking
2.【2014届山东菏泽市3月模拟】5. When the sick mother got up, she was surprised to find that her six-year-old daughter _______ in the kitchen.
A. had cooked B. has cooked C. was cooking D. cooked
3.【2014届重庆南开中学月考】28．Look! There is a whole crowd of people over there．Go and see what __________ and if it is a bargain，buy it．
A．is selling B．has been selling
C．is being sold D．has been sold
