David was always ______ his best in any danger, but at that moment he froze.
#25229
A
at
B
in
C
for
D
on
推荐题目
The last question in the maths test yesterday was far _____ me．I couldn’t work it out _____my own．
#25463
A
over , by
B
above, by
C
from, on
D
beyond, on
(2011·江苏卷)We’d better discuss everything________before we work out the plan.
#25149
A
in detail
B
in general
C
on purpose
D
on time
The person who is _______ of the factory _______ ill since last week.
#25460
A
in charge; has been
B
in the charge; fallen
C
taking charge; was
D
in charge; fell