为了提高创新思维，可以采取脑力激荡法、逆向思考法、心智图法、分合法等思维训练方法进行训练。

―Do you know where Dvid is I couldn’t find himnywhere.―Well. He ______ hve gone fr — his cot’―Do you know where Dvid is I couldn’t find himnywhere. ―Well. He ______ hve gone fr — his cot’s still here.needn’t B．cn’t C．mustn’t D．wouldn’tA．needn’tB．can’tC．mustn’tD．wouldn’t

Do you know where Dvid is I couldn’t find himnywhere.Well, he hve gone fr. His cot is still hDo you know where Dvid is I couldn’t find himnywhere. Well, he hve gone fr. His cot is still here.shouldn’t B．mustn’t C．cn’t D．wouldn’tA．shouldn’tB．mustn’tC．can’tD．wouldn’t