问题
选择题
It won't be ________ he ________ up with us.[ ]
A．long before; catches
B．before long; catches
C．for long; caught
D．long until; will catch
答案
答案：A
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It won't be ________ he ________ up with us.[ ]
A．long before; catches
B．before long; catches
C．for long; caught
D．long until; will catch
答案：A
