As a photographer he always has his came
题型：选择题
问题：
As a photographer he always has his camera ready _______ he sees something that might make a
good picture.[ ]
A. so that
B. as long as
C. in case
D. only if
As a photographer he always has his camera ready _______ he sees something that might make a
good picture.[ ]
A. so that
B. as long as
C. in case
D. only if