---Was that the new school master who walked by ? --- . A. It must be that B.——青夏教育精英家教网—

摘要：---Was that the new school master who walked by ? --- . A. It must be that B. It must have been C. He must be D.This must have been.

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– Was that the new school master who walked by?

_________.

A. It must be that　　　　　　　 B. It must have been　

C. He must be　　　　　　　　　 D. This must have been

－Was that the new school master who walked by?

－ _________.

[　　]

A． It must be that　B． It must have been

C． He must be　　　D． This must have been

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