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 little girl was allowed to go swimming ____ she must keep herself near her father.
#26753
A
when
B
in case
C
in order that
D
on condition that
The man was hit the head a stone while traveling in the mountain.
#25943
A
on: with
B
in; by
C
ON; by
D
in; with
We give dogs time, space and love we can spare, and ______, dogs give us their all.
#26189
A
in all
B
in fact
C
in short
D
in return
