问题
选择题
The roads into London were so _____ traffic that even the fire engines couldn’t get through.
A．choked up by
B．choked up with
C．choked back by
D．choked back with
答案
答案：B
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The roads into London were so _____ traffic that even the fire engines couldn’t get through.
A．choked up by
B．choked up with
C．choked back by
D．choked back with
答案：B