答案优选
Academic IELTS： An overall score of 5.5 (minimum 5.0 across all bands)
TOEFL** paper based test：A score of 525 (minimum 3.5 in all subsections)
TOEFL** internet based test：A score of 52 (minimum 16in writing)
Cambridge CAE Advanced：47
PTE Academic：49 (min 48）