Despite their______of interest, Fleming kept trying to develop chemical     ______ it would be safe and effective.
#26306
A
lack, so as to
B
lacking, so as to
C
lack, so that
D
lacking, so that
推荐题目
I've got all her records but I've never seen her_______. 
#29033
A
in the mood
B
in the flesh
C
in the movement
D
in the nature
I rely ____ her to pay back the money.
#28686
A
to
B
for
C
on
D
at