Despite their __________ of interest, Fl
问题:
Despite their __________ of interest, Fleming kept trying to develop the chemical ___________ it would be safe and effective.
A.lacking; in order to
B.lack; so that
C.lack; so as to
D.lacking; so that
Despite their __________ of interest, Fleming kept trying to develop the chemical ___________ it would be safe and effective.
A.lacking; in order to
B.lack; so that
C.lack; so as to
D.lacking; so that