问题:
Pierre Curie ______ his own research work and joined Madam Curie in the search for radium.
A.turned down
B.gave off
C.set aside
D.took over
Pierre Curie ______ his own research work and joined Madam Curie in the search for radium.
A.turned down | B.gave off | C.set aside | D.took over |
参考答案: