试用括号里动词的过去完成时态或一般过去时态来填充空格。
B. Fill in the blanks with the past perfect or simple past tense of the verbs in brackets.
若按普通英语的动词时态规则，就得用一般过去时或现在完成时。
In this case, the past or present perfect tense should be used according to the grammatical rules of common English.
若按普通英语的动词时态规则，就得用一般过去时或现在完成时。
In this case, the past or present perfect tense should be used according to the grammatical rules of common English.
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