In order to continue to learn by ourselves when we have left school, we must ______ learn how to study in the school now.
The trick of the swindler(骗子) ______, the old man avoided being cheated.
Jimson found the map of great value when ______ Beijing.
His suggestion that a new teaching method ______ to arouse students’ interest in study is necessary.
Among so many scientists in this field, he ______ and achieved great success.
We all felt puzzled by the ______ answer he gave.