--- I remember you were a talented pianist at college. Can you play the piano for me?--- Sorry, I _ the piano for years. (2012.湖南)A don’t playB. wasn’t playingC. haven’t playedD. hadn’t played
Being popular with children, these toys ______ well and _____ in two days.
Be ______ — you can’t expect me to finish all this work in so little time.
_______ the fact that his original experiments had failed, Pro. White stuck to his research.
Scientists suggested parents _______ children do the housework to make money.
— Will James attend the party? — He has just arrived, but I didn’t know he ______ until yesterday.