經安全檢測,此網站為安全網站,請放心前往原始網址!

BBC Learning English

Grammar Challenge bbclearningenglish.com ©BBC Learning English 2007 Page 4 of 4 a. believed – Wrong – you need to add 'have' to this sentence. b. have believed – Correct – the speaker is unhappy that s ...

downloads.bbc.co.uk

網址安全性掃描由 google 提供