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It'snotthe(one)timeyouwalk(cross)thefield.

题目详情
It's not the ___(one) time you walk ___(cross) the field.
▼优质解答
答案和解析
first,have crossed
固定句式,It is the first(second、third...) time (that) sb.have/has done sth.
It was the first (second、third...)time (that) sb.had done sth.