问题
选择题
He didn't run ________, so he fell behind.[ ]
A. fast enough
B. enough fast
C. slow enough
D. enough slow
答案
A
搜题请搜索小程序“爱下问搜题”
He didn't run ________, so he fell behind.[ ]
A. fast enough
B. enough fast
C. slow enough
D. enough slow
A