问题
选择题
__________! There is a train coming. [ ]
A. Look around
B. Look out
C. Look forward
D. Look on
答案
答案：B
搜题请搜索小程序“爱下问搜题”
__________! There is a train coming. [ ]
A. Look around
B. Look out
C. Look forward
D. Look on
答案：B
