The thief ran away at once when he saw the policeman.(保持意思不变)The thief ran away ____ _____ _____he saw the policeman.

问题描述:

The thief ran away at once when he saw the policeman.(保持意思不变)
The thief ran away ____ _____ _____he saw the policeman.

贼一看到警察就立刻逃跑了

The thief ran away _as_ _soon_ _as_ he saw the policeman.

The thief ran away as soon as he saw the policeman.
小偷一看到警察就立刻逃跑了

The thief ran away at the time he saw the policeman.

as soon as